Exhibit 2.1

AMENDMENT NO. 1 TO THE AGREEMENT AND PLAN OF MERGER

THIS AMENDMENT NO. 1 TO THE AGREEMENT AND PLAN OF MERGER, dated as of February 5, 2026 (this “Amendment”), which amends the Agreement and Plan of Merger, dated as of January 6, 2026 (the “Merger Agreement”), by and among (i) Compass Digital Acquisition Corp., a Cayman Islands exempted company (together with its successors, the “Purchaser”), (ii) Titan Holdings Corp., a Delaware corporation and a direct wholly owned subsidiary of the Purchaser (“Pubco”), (iii) Titan SPAC Merger Sub Corp., a Cayman Islands exempted company and a direct wholly owned subsidiary of Pubco (“Purchaser Merger Sub”), (iv) Titan Merger Sub Inc., a Delaware corporation and a direct wholly owned subsidiary of Pubco (“Company Merger Sub”), and (v) Key Mining Corp., a Delaware corporation (the “Company”, together with Purchaser, Pubco, Purchaser Merger Sub and Company Merger Sub, each, a “Party” and, collectively, the “Parties”), is made and entered into by and between the Parties.

RECITALS

WHEREAS, Section 10.9 of the Merger Agreement sets forth that the Merger Agreement may be amended, supplemented or modified only by execution of a written instrument signed by each of Purchaser, Pubco and the Company; and

WHEREAS, the Parties desire to amend certain provisions of the Merger Agreement as set forth in this Amendment, in accordance with Section 10.9 of the Merger Agreement.

NOW, THEREFORE, in consideration of the mutual promises and agreements contained herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, intending to be legally bound, the Parties hereby agree as follows:

AGREEMENT

“1.8. Merger Consideration. The aggregate consideration to be paid to holders of the Company Securities as of immediately prior to the Effective Time pursuant to the Company Merger shall be an amount equal to Two Hundred and Thirty Million U.S. Dollars ($230,000,000) (the “Merger Consideration”). The total portion of the Merger Consideration amount payable to holders of the Company Stock as of immediately prior to the Effective Time (collectively, the “Sellers”) (which, for the avoidance of doubt, excludes holders of Company Options and Company Warrants) (the “Seller Merger Consideration”) will be paid in the form of shares of Pubco Common Stock, each valued at $10.00 per share. Each Seller will receive, for each share of Company Common Stock held (but excluding shares of Company Common Stock that are Company Dissenting Shares and any Company Common Stock described in Section 1.10(b)), an amount equal to the Per Share Price, which will be paid in the form of Pubco Common Stock, with each share of Pubco Common Stock valued at $10.00 per share. The holders of Company Options that are outstanding immediately prior to the Effective Time shall receive such number of Assumed Options as described in Section 1.10(c) with such terms and conditions as described in Section 1.10 (c), and the holders of Company Warrants that are outstanding immediately prior to the Effective Time shall receive such number of Assumed Warrants as described in Section 1.10(d) with such terms and conditions as described in Section 1.10(d). For the avoidance of doubt, other than holders of Company Options who execute and deliver Assumed Option Agreements in accordance with Section 1.10(c) and holders of Company Warrants, no holder of Company Securities will receive any consideration under or in connection with this Agreement unless they are holders of Company Common Stock as of the Effective Time.”

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IN WITNESS WHEREOF, the Parties have caused this Amendment No. 1 to the Agreement and Plan of Merger to be duly executed as of the date first above written.

[Signature Page to Amendment No. 1 to Merger Agreement]