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 Form S-4 of our report dated February 20, 2026, which contains an explanatory paragraph about the Company’s ability to continue as a going concern, relating to the financial statements of Mountain Lake Acquisition Corp. as of December 31, 2025 and 2024, for the year ended December 31, 2025 and for the period from June 14, 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

April 28, 2026