FORM 10-Q (Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period endedMarch 31, 2026 ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______________ to _______________ Commission File Number:001-43194 BLOCKCHAIN DIGITAL INFRASTRUCTURE, INC. (Exact name of registrant as specified in its charter) (Address of principal executive offices, including zip code) (646) 493-2993(Registrant’s telephone number, including area code) (Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: Name of each exchange on whichregistered Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of theSecurities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to filesuch reports), and (2) has been subject to such filing requirements for the past 90 days.Yes☐No☒ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to besubmitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorterperiod that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. ☐Accelerated filer☒Smaller reporting company☒Emerging growth company ☐Large accelerated filer☒Non-accelerated filer If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition periodfor complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ As of May 14, 2026, there were 37,646,133 shares of common stock outstanding. BLOCKCHAIN DIGITAL INFRASTRUCTURE, INC. TABLE OF CONTENTS PagePart I – Financial Information1Item 1. Financial Statements1Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations21Item 3. Quantitative and Qualitative Disclosures About Market Risk29Item 4. Controls and Procedures29Part II – Other Information30Item 1. Legal Proceedings30Item 1A. Risk Factors30Item 2. Unregistered Sales of Equity Securities and Use of Proceeds30Item 3. Defaults Upon Senior Securities30Item 4. Mine Safety Disclosures30Item 5. Other Information30Item 6. Exhibits30Signatures31 BlockchAIn Digital Infrastructure, Inc.Condensed Consolidated Balance Sheets Cash$1,251,712$15,265Accounts receivable20,7067,720Due from related party, net (Note 12)1,130,8792,144,506Loan receivable - related party (Note 12)1,083,4601,083,460Prepaid expenses193,852-Other current assets-218,698 BlockchAIn Digital Infrastructure, Inc.Condensed Consolidated Statements of Operations(Unaudited) BlockchAIn Digital Infrastructure, Inc.Condensed Consolidated Statements of Changes in Stockholders’ Equity(Unaudited) BlockchAIn Digital Infrastructure, Inc.Condensed Consolidated Statements of Cash Flows(Unaudited) BLOCKCHAIN DIGITAL INFRASTRUCTURE, INC.NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS(Unaudited) 1.ORGANIZATION AND DESCRIPTION OF BUSINESS BlockchAIn Digital Infrastructure, Inc. (the “Company” or “BlockchAIn” or “we”) is a Delaware corporation formed as a holdingcompany. The Company operates through its wholly owned subsidiary, One Blockchain LLC (“One Blockchain” or “OBC”),which is engaged in data center operations and digital asset infrastructure services. One Blockchain primarily operates a high-performance computing facility in Spartanburg County, South Carolina, providing power infrastructure, hosting services, andequipment leasing to customers engaged in blockchain computing, artificial intelligence (“AI”), and high-performance dataprocessing. The Company’s core operations include hosting services, and leasing space, power capacity, and equipment within its data centerfacility to customers requiring computing power. On May 27, 2025, the Company entered into a Business Combination Agreement (“BCA”) with Signing Day Sports, Inc. (“SGN”or “Signing Day Sports”), One Blockchain, and the other parties thereto, as amended on November 10, 2025, and as furtheramended on December 22, 2025. Effective March 16, 2026 (the “transaction date”), the Company and SGN announced the successful completion of the businesscombination under the previously announced BCA. Under the BCA the Company is now the parent en




