Attached files
| file | filename |
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| EX-31.2 - EXHIBIT 31.2 - Riot Blockchain, Inc. | ex31x2.htm |
| 10-K/A - FORM 10-K/A - Riot Blockchain, Inc. | riot_10ka-123117.htm |
EXHIBIT 31.1
CERTIFICATION
I, John O'Rourke, certify that:
1. I have reviewed this Annual Report on Form 10-K/A of Riot Blockchain, Inc.;
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
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/s/ John O'Rourke
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John O'Rourke, Chief Executive Officer
(Principal Executive Officer)
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Date: April 30, 2018