Common use of Hardware and Software Requirements Clause in Contracts

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● A device with an Internet connection; ● A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● A valid email address (Client’s primary email address on file with Trust Company); and ● Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule A [***] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule B [***] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule C [***] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [***], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Litecoin Trust (LTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Litecoin Trust (LTC) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Litecoin Trust (LTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Litecoin Trust (LTC) if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Litecoin Trust (LTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Litecoin Trust (LTC) if publicly disclosed. Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Litecoin Trust (LTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Litecoin Trust (LTC) if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Litecoin Trust (LTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Litecoin Trust (LTC) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [*******], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed. It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed. Schedule A-1 Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed. Schedule C-1 Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [*******] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Bitcoin Cash Trust (BCH) has determined that the information (i) is not material and (ii) would likely cause competitive harm to Grayscale Bitcoin Cash Trust (BCH) if publicly disclosed.

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. ETH-122 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. ETH-123 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. ETH-124 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. ETH-125 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. ETH-126 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [*******] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) would likely

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Zcash Trust (ZEC) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Zcash Trust (ZEC) if publicly disclosed. Schedule A [********] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Zcash Trust (ZEC) if publicly disclosed. Schedule B [********] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Zcash Trust (ZEC) if publicly disclosed. Schedule C [********] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Zcash Trust (ZEC) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [********] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Zcash Trust (ZEC) has determined that the information (i) is not material and (ii) would likely

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Ethereum Classic Trust (ETC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Ethereum Classic Trust (ETC) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Ethereum Classic Trust (ETC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Ethereum Classic Trust (ETC) if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Ethereum Classic Trust (ETC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Ethereum Classic Trust (ETC) if publicly disclosed. Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Ethereum Classic Trust (ETC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Ethereum Classic Trust (ETC) if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Ethereum Classic Trust (ETC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Ethereum Classic Trust (ETC) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [*******], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule A [***] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule B [***] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule C [***] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [***], has been omitted because.

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Digital Large Cap Fund LLC has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Digital Large Cap Fund LLC if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Digital Large Cap Fund LLC has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Digital Large Cap Fund LLC if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Digital Large Cap Fund LLC has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Digital Large Cap Fund LLC if publicly disclosed. Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Digital Large Cap Fund LLC has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Digital Large Cap Fund LLC if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Graycsale Digital Large Cap Fund LLC has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Graycsale Digital Large Cap Fund LLC if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [*******], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Certain confidential information contained in this document, marked by [**], has been omitted because Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [*******] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) would likely

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule A [***] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule B [***] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule C [***] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC Fee Schedule This Fee Schedule is a fiduciary under § 100 effective (the “Effective Date”) upon execution of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Agreement between Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public CommunicationsAgreement”), and no Public Communications . The parties hereto agree that the fees associated with the Custodial Services for Client shall be made by either party without as set forth below. All capitalized terms not defined herein shall have the other party’s prior written approval, meaning ascribed to be provided such term in such other party’s sole discretion. Certain confidential information contained in this document, marked by [***], has been omitted becausethe Agreement.

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Stellar Lumens Trust (XLM) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Stellar Lumens Trust (XLM) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Stellar Lumens Trust (XLM) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Stellar Lumens Trust (XLM) if publicly disclosed. Schedule A [********] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Stellar Lumens Trust (XLM) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Stellar Lumens Trust (XLM) if publicly disclosed. Schedule B [********] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Stellar Lumens Trust (XLM) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Stellar Lumens Trust (XLM) if publicly disclosed. Schedule C [********] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Stellar Lumens Trust (XLM) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Stellar Lumens Trust (XLM) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [********], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Horizen Trust (ZEN) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Horizen Trust (ZEN) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Horizen Trust (ZEN) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Horizen Trust (ZEN) if publicly disclosed. Schedule A [********] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Horizen Trust (ZEN) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Horizen Trust (ZEN) if publicly disclosed. Schedule B [********] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Horizen Trust (ZEN) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Horizen Trust (ZEN) if publicly disclosed. Schedule C [********] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Horizen Trust (ZEN) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Horizen Trust (ZEN) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [********], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule A [***] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule B [***] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Schedule C [***] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. Certain confidential information contained in this document, marked by [***], has been omitted because

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. Updating Client’s Information It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidentialwould likely cause competitive harm to Grayscale Ethereum Trust (ETH) if publicly disclosed. Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [*******] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Ethereum Trust (ETH) has determined that the information (i) is not material and (ii) would likely

Hardware and Software Requirements. In order to access and retain electronic Communications, Client will need the following computer hardware and software: ● • A device with an Internet connection; ● • A current web browser that includes 128-bit encryption (e.g., Internet Explorer version 9.0 and above, Firefox version 3.6 and above, Chrome version 31.0 and above, or Safari 7.0 and above) with cookies enabled; ● • A valid email address (Client’s primary email address on file with Trust Company); and ● • Sufficient storage space to save past Communications or an installed printer to print them. How to Withdraw Client’s Consent Client may withdraw Client’s consent to receive Communications electronically by contacting Trust Company at xxxxxxx@xxxxxxxx.xxx. If Client fails to provide or if Client withdraws Client’s consent to receive Communications electronically, Trust Company reserves the right to immediately close Client’s Custodial Account or charge Client additional fees for paper copies. Updating Client’s Information Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential. It is Client’s responsibility to provide Trust Company with a true, accurate, and complete e-mail address and Client’s contact information, and to keep such information up to date. Client understands and agrees that if Trust Company sends Client an electronic Communication but Client does not receive it because Certain confidential information contained in this document, marked by [**], has been omitted because Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. BIT-30 Confidential treatment requested by the registrant for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Client’s primary email address on file is incorrect, out of date, blocked by Client’s service provider, or Client is otherwise unable to receive electronic Communications, Trust Company will be deemed to have provided the Communication to Client. Client may update Client’s information by logging into Client’s Custodial Account and visiting settings or by contacting the Custody support team at xxxxxxx@xxxxxxxx.xxx. Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule A [*******] Schedule A-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule B [*******] Schedule B-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. BIT-33 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Schedule C [*******] Schedule C-1 Certain confidential information contained in this document, marked by [***], has been omitted because the registrant Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) is the type that would likely cause competitive harm to Grayscale Bitcoin Trust (BTC) if publicly disclosed. BIT-34 Confidential treatment requested by the registrant treats as private or confidential. for its submission of this draft registration statement pursuant to Securities and Exchange Commission Rule 83 Exhibit A Trust Company Trademark and Logo Trademark: Coinbase Custody Logo: [To be provided] Pre-Approved Marketing Content “Coinbase Custody Trust Company, LLC is a fiduciary under § 100 of the New York Banking Law and a qualified custodian for purposes of Rule 206(4)-2(d)(6) under the Investment Advisers Act of 1940, as amended.” Client may make factually accurate statements (in accordance with Section 4.1.2 of the Agreement) limited to describing the Custodial Services provided by Trust Company to Client, which contain the information in the statement above; provided, however, that Client may not make any statements (A) implying that Trust Company is listing, buying, trading, issuing, selling, offering for sale, distributing or promoting any investment products (including without limitation, Digital Assets, fiat currency, securities, commodities, trading products, derivatives, structured products, investment funds, investment portfolios, commodity pools, swaps, securitizations or synthetic products), including where the price, return, outcome, and/or performance of the investment product is based on, derived from, or related to Trust Company, or (B) implying any indorsement or assessment by Trust Company of the quality of Client’s Digital Assets or Client’s business, without Trust Company’s written agreement. Additionally, Trust Company and Client will jointly work on all public relations, communications, marketing and advertising, including, without limitation, press releases, events, blogs posts, dinners and conferences (the “Public Communications”), and no Public Communications shall be made by either party without the other party’s prior written approval, to be provided in such other party’s sole discretion. [*******] Certain confidential information contained in this document, marked by [***], has been omitted becausebecause Grayscale Bitcoin Trust (BTC) has determined that the information (i) is not material and (ii) would likely