EULO is a landmark industrial association project in the blockchain 3.0 era. Its biggest feature is to realize the two functions of second-level confirmation on the transaction side and privacy protection for user information. In addition, the future of the EULO can also provide a good customer experience in large-scale commercial DAPP. which enables it to carry a wide variety of smart contract applications. At present, EULO has successfully carried its core products in its Bloch chain-banks.which aims to maintain and increase the value of digital assets through blockchain-banks.