{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of nodes in a blockchain network?","a":"Consensus algorithm: Nodes participate in the consensus process of the blockchain network, verifying  transactions, generating new blocks, and maintaining the consistency of the blockchain according to consensus algorithms (such as proof of work, proof of stake, etc.)."}]}],"pr":"d1e6029acb78937f2d91312dbefa18381d662976360aef71f20604c6af69b2ad"}