Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the use in the Prospectus constituting a part of this Registration Statement on Amendment No. 1 to Form S-4 of our report dated April 28, 2025, relating to the financial statements of Churchill Capital Corp X, as of December 31, 2024, and for the period from January 4, 2024 (inception) through December 31, 2024, which is contained in that Prospectus. We also consent to the reference to our firm under the caption “Experts” in the Prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

January 19, 2026