Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Nos. 333-269967, 333-263001, 333-253410, 333-236661, 333-229919, 333-223271, 333-216249, 333-210087, and 333-208098) on Form S-8 of Block, Inc. of our reports dated February 22, 2024, with respect to the consolidated financial statements of Block, Inc., and the effectiveness of internal control over financial reporting of Block, Inc., included in this Annual Report (Form 10-K) of Block, Inc. for the year ended December 31, 2023.

/s/ Ernst & Young LLP

San Francisco, California

February 22, 2024