Using Oracle Blockchain Platform Build Chaincodes with Low-Code Blockchain App Builder Tokenization Support Using Blockchain App Builder ERC-721 ERC-721 Blockchain App Builder supports an extended version of the ERC-721 standard to work with non-fungible tokens. Input Specification File for ERC-721 Scaffolded TypeScript NFT Project for ERC-721 Scaffolded Go NFT Project for ERC-721