{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus algorithms in blockchain select consensus groups?","a":"Node registration: Firstly, all nodes in the blockchain network have the opportunity to join the consensus group. Nodes need to register with the network to express their willingness to participate in the consensus process."}]}],"pr":"5ca52ab77e6ebd90fa1cc2aa2de1e43f940f62fbe18e56319f031c9451a31058"}