Riot Blockchain (RIOT) 10-K 2022 FY Annual report

Exhibit 23

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the incorporation by reference in the Registration Statements of Riot Platforms, Inc. on Form S-3 (File No. 333-259039 and File No. 333-259212) and Form S-8 (File No. 333-261086, File No. 333-235355 and File No. 333-267567) of our report dated March 2, 2023, with respect to our audits of the consolidated financial statements of Riot Platforms, Inc. and Subsidiaries as of December 31, 2022 and 2021 and for each of the three years in the period ended December 31, 2022 and our report dated March 2, 2023 with respect to our audit of internal control over financial reporting of Riot Platforms, Inc. and Subsidiaries as of December 31, 2022, which reports are included in this Annual Report on Form 10-K of Riot Platforms, Inc. for the year ended December 31, 2022.

Our report on the effectiveness of internal control over financial reporting expressed an adverse opinion because of the existence of a material weakness.

Our report also includes an explanatory paragraph regarding the restatement of the previously issued consolidated financial statements as of December 31, 2021 and for the years ended December 31, 2021 and 2020 to correct misstatements.

/s/ Marcum llp

Marcum llp

Los Angeles, CA

March 2, 2023