Credo is the token you earn when someone you don’t know sends you an unsolicited email. You can use the Credo you earn to send your own emails to people you don’t know, trade it for other currencies, or hold onto it as its power increases.
ChainX aims to facilitate asset interoperability with other blockchains It measures users' mining power based on the market value of BTC, DOT, ETH, ERC20, EOS and other assets that are deposited in an inter-chain bridge.