Codex Protocol was a blockchain startup (founded 2018, backed by Pantera Capital) that built a decentralized registry for unique physical assets — fine art, wine, watches and other collectibles — on Ethereum, using ERC-721 Codex Records and an ERC-20 Codex Coin (CODX) token, plus a Codex Viewer dapp and a Codex Registry REST API. - View it on GitHub