Form 8-A12B Grayscale Bitcoin Mini

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR (g) OF

THE SECURITIES EXCHANGE ACT OF 1934

Grayscale Bitcoin Mini Trust (BTC)

(Exact name of Registrant as Specified in Its Charter)

Securities to be registered pursuant to Section 12(b) of the Act:

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐

Securities Act registration statement or Regulation A offering statement file number to which this form relates:

333-277837

Securities to be registered pursuant to Section 12(g) of the Act:

None

(Title of class)

A description of the common units of fractional undivided beneficial interest (the “Shares”) of Grayscale Bitcoin Mini Trust (BTC) (the “Trust”), which represent ownership in the Trust, is contained under the heading “Description of the Shares” in the prospectus that forms part of the Trust’s Registration Statement on Form S-1, as filed with the Securities and Exchange Commission (the “SEC”) on July 26, 2024 (File No. 333-277837), which is incorporated herein by reference. Any amendment or supplement to such registration statement subsequently filed with the SEC, including any prospectus relating thereto filed subsequently pursuant to Rule 424(b) of the Securities Act of 1933, as amended, is hereby also incorporated herein by reference.

Under the Instructions as to Exhibits with respect to Form 8-A, no exhibits are required to be filed because no other securities of the Registrant are registered on NYSE Arca, Inc. and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.