X0202 SCHEDULE 13G/A 0001909404 XXXXXXXX LIVE 1 Common Stock, par value $0.0001 per share 03/31/2026 0002070542 BlockchAIn Digital Infrastructure, Inc. 093919108 1540 Broadway, Suite 1010 New York NY 10036 Rule 13d-1(c) Evergreen Capital Management LLC X1 0.00 0.00 0.00 0.00 0.00 N 0.0 OO BlockchAIn Digital Infrastructure, Inc. 1540 Broadway, Suite 1010, New York, NY 10036 Evergreen Capital Management LLC 156 W. Saddle River Road Saddle River, New Jersey 07458 United States Y The purpose of this Amendment No. 1 to the Statement on Schedule 13G (this "Amendment No. 1") is to amend and supplement the Statement on Schedule 13G filed by the reporting person with the U.S. Securities and Exchange Commission on January 29, 2026 (the "Schedule 13G") in order to clarify that the Schedule 13G was an initial filing of a Statement on Schedule 13G rather than an amendment, as well as to update the beneficial ownership information on the cover pages and in Item 4 in the Schedule 13G, including to indicate that the reporting person has ceased to be the beneficial owner of more than five percent of the outstanding shares of common stock, par value $0.0001 per share (the "Common Stock") and to amend Item 5 of the Schedule 13G accordingly. The reporting person no longer beneficially owns any shares of Common Stock of the issuer, and as a result this Amendment No. 1 constitutes an exit filing for the reporting person. The information required by this item with respect to the reporting person is set forth in Rows 5 through 9 and 11 of the cover page to this Amendment No. 1 and is incorporated herein by reference for the reporting person. On March 16, 2026, pursuant to the Business Combination Agreement (the "Merger Agreement"), dated May 27, 2025, as amended, by and among Signing Day Sports, Inc., a Delaware corporation ("Signing Day Sports"), BlockchAIn Digital Infrastructure, Inc., a Delaware corporation ("BlockchAIn"), One Blockchain LLC, a Delaware limited liability company ("One Blockchain"), BCDI Merger Sub I Inc., a Delaware corporation and a wholly owned subsidiary of Holdings ("Merger Sub I"), and BCDI Merger Sub II LLC, a Delaware limited liability company and a wholly owned subsidiary of BlockchAIn ("Merger Sub II"), Merger Sub I merged with and into Signing Day Sports, with Signing Day Sports surviving as a wholly-owned subsidiary of BlockchAIn, and Merger Sub II merged with and into One Blockchain, with One Blockchain surviving as a wholly-owned subsidiary of BlockchAIn. As a result of the merger transaction described above, this Amendment No. 1 reflects the current name of the issuer. Jeffrey Pazdro is the Manager of the reporting person. As such, Mr. Pazdro may be deemed to beneficially own (as that term is defined in Rule 13d-3 under the Securities Exchange Act of 1934) any securities of the issuer beneficially held by the reporting person. To the extent Mr. Pazdro is deemed to beneficially own such securities, Mr. Pazdro disclaims beneficial ownership of these securities for all other purposes. 0.00 0 0 0 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. Evergreen Capital Management LLC /s/ Jeffrey Pazdro 05/11/2026