Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our report dated April 1, 2024, with respect to the financial statements of Thunder Bridge Capital Partners IV, Inc. (now known as Coincheck Merger Sub, Inc.) contained in the Registration Statement and Prospectus. We consent to the use of the aforementioned report in the Registration Statement and Prospectus, and to the use of our name as it appears under the caption “Experts.”

/s/ GRANT THORNTON LLP

Philadelphia, Pennsylvania

January 27, 2025