🐍 SLD SLD is an ERC-721 style non-fungible token standard built mirroring the ICRC standards to adapt it to the Internet Computer. Standards SLD-1: base non-fungible token standard SLD-2: approve and transfer_from WIP SLD-3: transaction log SLD-4: mintable SLD-5: burnable SLD-6: custodians SLD-7: royalty fee SLD-8: set royalty fee