ChainCatcher news, the Web3 communication protocol Sending Network has announced the launch of a testnet mining activity. This testnet lays the foundation for nodes that can not only forward messages but also earn rewards. Users can earn Sending Network points through node mining. The waiting list is now open, and more details about the activities will be announced later.According to the introduction, the innovation of Sending Network lies in ensuring fast and private message delivery through two key types of nodes: relayers and validators, both of which can earn rewards.