The Atomics protocol is a protocol built on the Bitcoin network. On the Bitcoin network, through the Atomics protocol, you can create (mint), transfer and upgrade digital items (nft, such as native digital nft, game nft, digital identity, domain name, social network, etc.), and you can also create interchangeable tokens. Token. Through the Atomics protocol, non-interchangeable NFTs can be generated on the Bitcoin network, and interchangeable tokens can also be generated; this interchangeable token is the ARC20 token.