According to the official announcement of the currency security, the main network of the currency chain "Archimede" has been upgraded. The related services resumed stability from 9:30 pm on October 14, 2019 Beijing time. In this regard, the founder of the currency, Zhao Changpeng, said on Weibo that the hard fork upgrade is used to add new features and improve the stability of the network. The "Archimedes" upgrade introduced the atomic switching function described by BEP3. It will support atomic exchange between the coin chain and the blockchain that supports smart contracts like Ethereum.