AOK, a digital asset management chain launched by KOOBANK Group, is based on blockchain technology and provides a distributed smart contract digital asset management chain. It is also the platform certificate of KOOBANK digital asset investment bank. It can solve the problem of users' safe management of digital assets, and at the same time provide complete blockchain solutions for financial institutions in various fields, including digital asset mortgages, loans, investments, custody, decentralized transactions, asset issuance, data uploading, auditing, and arbitration. plan.