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Exhibit 23.1

KPMG LLP

Suite 1400

55 Second Street

San Francisco, CA 94105

Consent of Independent Registered Public Accounting Firm

We consent to the use of our report dated February 26, 2025, with respect to the consolidated financial statements of Marqeta, Inc., and the effectiveness of internal control over financial reporting, incorporated herein by reference.

/s/ KPMG LLP

San Francisco, California February 26, 2025

KPMG LLP, a Delaware limited liability partnership and a member firm of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.