Type	Name	Date
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	02/01/2019
Registration rights agreement	Registration Rights Agreement, by and among Venaxis, Inc. and the Sellers party thereto	09/13/2016
Underwriting agreement	Underwriting Agreement	04/03/2014

Type	Name	Date
By-Laws	Amended and Restated Bylaws	06/30/2023

Type	Name	Date
Equity incentive plans	THIRD AMENDMENT TO THE RIOT BLOCKCHAIN, INC. 2019 EQUITY INCENTIVE PLAN	08/02/2022
Equity incentive plans	Second Amendment to the Riot Blockchain, Inc. 2019 Equity Incentive Plan	10/22/2021
Equity incentive plans	Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended	10/22/2021
Employment agreement	Executive Employment Agreement by and between Riot Blockchain, Inc. and Benjamin Yi	05/24/2021
Employment agreement	EXECUTIVE EMPLOYMENT AGREEMENT	04/07/2021
Employment agreement	Executive Employment Agreement by and between Riot Blockchain, Inc. and Jason Les	02/10/2021
Employment agreement	Amendment to Executive Employment Agreement, by and between Riot Blockchain, Inc., a Nevada Corporation, and Christopher Ensey	09/26/2018
Employment agreement	Executive Employment Agreement between AspenBio Pharma, Inc. and Donald Hurd	05/24/2012
Employment agreement	Executive Employment Agreement between AspenBio Pharma, Inc. and Stephen T. Lundy	03/26/2010

Type	Name	Date
Lease agreement	Third Amendment to Lease, by and between Kairos Global Technologies, Inc. and 7725 Reno #1, L.L.C	01/13/2020
Lease agreement	Second Amendment to Lease, between 775 Reno #1 and Kairos Global Technology, Inc	12/06/2018
Lease agreement	Lease Agreement, by and between W-Crocker Fin Place Owner VII, LLC and Riot Blockchain, Inc.	04/10/2018
Lease agreement	First Amendment to Lease, between 775 Reno #1 and Kairos Global Technology, Inc	03/27/2018
Lease agreement	Lease by and between the Kairos Global Technology, Inc. and 7725 Reno #1, LLC	02/28/2018