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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our

report dated March 2, 2026, relating to the financial statements of ThredUp Inc., appearing in the

Annual Report on Form 10-K of ThredUp Inc. for the year ended December 31, 2025.

/S/ DELOITTE & TOUCHE LLP

San Francisco, California

March 2, 2026