May 30, 2023

        KNOW ALL BY THESE PRESENTS, that the undersigned hereby makes,
constitutes and appoints Christopher Scott Buchanan, Glen S. Leibowitz and
Felicity Lewis, signing singly, as the undersigned's true and lawful attorneys-
in-fact, with full power and authority as hereinafter described on behalf of
and in the name, place and stead of the undersigned to:

        (i)     execute for and on behalf of the undersigned, in the
                undersigned's capacity as a director, officer or beneficial
                owner of shares of common stock of Bitcoin Depot, Inc., a
                Delaware corporation (formerly known as GSR II Meteora
                Acquisition Corp.) (the "Company"), any Schedule 13D or
                Schedule 13G, and any amendments, supplements or exhibits
                thereto (including any joint filing agreements) required to be
                filed by the undersigned under Section 13 of the Securities
                Exchange Act of 1934, as amended (the "Exchange Act"), and the
                rules and regulations promulgated thereunder, and any Forms 3,
                4 and 5 and any amendments, supplements or exhibits thereto
                required to be filed by the undersigned under Section 16(a) of
                the Exchange Act;

        (ii)    do and perform any and all acts for and on behalf of the
                undersigned which may be necessary or desirable to complete and
                execute any such Schedule 13D, Schedule 13G, Form 3, 4, or 5
                and timely file such forms with the United States Securities
                and Exchange Commission and any stock exchange on which the
                common stock of the Company is then listed; and

        (iii)   take any other action of any type whatsoever in connection with
                the foregoing which, in the opinion of such attorneys-in-fact,
                may be of benefit to, in the best interest of, or legally
                required by, the undersigned, it being understood that the
                documents executed by such attorneys-in-fact on behalf of the
                undersigned pursuant to this Power of Attorney shall be in such
                form and shall contain such terms and conditions as such
                attorneys-in-fact may approve in such attorneys-in-fact's

        The undersigned hereby grants to such attorneys-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might
or could do if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorneys-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue of
this Power of Attorney and the rights and powers herein granted. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 13 and Section 16 of the Exchange Act.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file reports or schedules under Section 13
or Section 16 of the Exchange Act with respect to the undersigned's holdings of
and transactions in securities issued by the Company, unless earlier revoked by
the undersigned in a signed writing delivered to the foregoing attorneys-in-

                           [signature page to follow]

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date first written above.

                        By: /s/ Brandon Taylor Mintz
                        Name: Brandon Taylor Mintz
                        Title: President, Chief Executive Officer and Director