BAC is the pass token used by Bit Asset Chain. All operations on Bit Asset Chain, such as transfer, smart contract operation, and data storage, need to consume BAC. certificate. Coinway Chain is a new generation of high-performance public chain. The Coinway Chain consensus system adopts the original ZI-POS consensus mechanism, which abandons the traditional POS inflation model and perfectly simulates the Bitcoin mining ecology while ensuring the POS consensus The high performance of the mechanism has a wide range of application scenarios in finance, payment, storage, traceability and other fields.