Signing Day Sports Reports Continued Progress Toward Business Combination with One Blockchain

SCOTTSDALE, AZ, Oct. 08, 2025 (GLOBE NEWSWIRE) -- Signing Day Sports, Inc. (“Signing Day Sports” or the “Company”) (NYSE American: SGN), the developer of the Signing Day Sports app and platform to aid high school athletes in the recruitment process, today provided an update on its Business Combination Agreement (“BCA”) with One Blockchain LLC (“One Blockchain”), One Blockchain’s affiliate, BlockchAIn Digital Infrastructure, Inc. (“BlockchAIn”), and certain other parties.