{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus algorithms in blockchain select consensus groups?","a":"Electing leaders: Among the selected nodes, a leader is elected. The leader is responsible  for proposing new blocks and ensuring the consistency and security of the blockchain. The election of leaders is an essential part of the consensus algorithm, as it determines who has the authority to propose new transactions and create new blocks."}]}],"pr":"6f7329f5440029eb0fbdb44b2a5c574dc49c07a465c08d362d3ad0c579006021"}