Codex, a cryptographic, decentralized title registry service for the arts and collectables market, has launched a protocol to provide for anonymous bidding and title registration on an immutable blockchain, it was announced earlier this month. The Codex Protocol is being developed with primary funding fromBessemer Venture Partners and FJ Labs, with a distribution crowdsale planned for early 2018.
Source : http://www.the-blockchain.com/2018/01/29/codex-launches-art-market-blockchain-protocol/