US Patent 11865459 Automatic generation of non-fungible token attributes

Systems and methods for maintaining contests including non-fungible tokens (NFTs), determining that an outcome of a contest indicates a tie, and establishing a placeholder are disclosed. The NFTs can be associated with attributes and stored on a blockchain. The system can receive a request and selections of NFTs for entering a contest. Each NFT can be associated with a player profile and satisfy a selection rule. The system can generate a fantasy sports lineup including NFTs and modifying a restriction condition for each NFT. The system can determine that an outcome of a contest indicates a tie and calculating edition number totals to determine a winner of the tie. The system can determine that an NFT has been transferred to a player profile. The system can modify a first lineup to include a placeholder in lieu of an NFT.