{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is it necessary to imprison consensus nodes in blockchain?","a":"Security: Imprisoning consensus nodes can prevent attackers from launching malicious activities in the network. Malicious nodes might try to tamper with blockchain data, double-spending  attacks, etc. By imprisoning consensus nodes, the success rate of these attacks can be reduced."}]}],"pr":"37f6b032ef0dd84d9cf4f363d3091a7634dafea721fdf7b9cd3b6b1630f2a1e5"}