Ex1a-6-mat-ctrct.16 Sample Contracts

BLOCKSTACK INC. RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT December 16, 2016

-Sale Agreement • July 8th, 2019 • Blockstack Inc. • Delaware

• Contract Type
  -Sale Agreement
• Filed
  July 8th, 2019
• Company
  Blockstack Inc.
• Jurisdiction
  Delaware

This Right of First Refusal and Co-Sale Agreement (this “Agreement”) is dated as of December 16, 2016, and is by and among Blockstack Inc., a Delaware corporation (the “Company”), the individuals and entities listed on Exhibit A (each, an “Investor,” and collectively, the “Investors”) and the individuals listed on Exhibit B (each, a “Common Holder,” and collectively, the “Common Holders”).

CONSULTING AGREEMENT made effective as of the 1st day of September, 2018

Consulting Agreement • May 19th, 2020 • Chemesis International Inc. • British Columbia

• Contract Type
  Consulting Agreement
• Filed
  May 19th, 2020
• Company
  Chemesis International Inc.
• Jurisdiction
  British Columbia

Whereas the Company wishes to contract with the Consultant for its services on a non-exclusive basis on the terms and conditions that follow and the Consultant wishes to be so retained;