The 0x (ZRX) token is an Ethereum-based token operating as the native token of the 0x protocol. It is noteworthy that the 0x protocol represents an open-source framework for developers. The protocol facilitates both ERC-20 and ERC-721 assets. It aims to make transactions get settled in the off-chain mode to improve overall performance of decentralized exchange.
The SONM (SNM) project was released in 2017. Cryptocurrency pairs with the SNM token are represented on the number of exchanges. SONM is currently based on cryptocurrency Ethereum protocol.