{"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":"Execution of consensus algorithm: Nodes participate in the consensus process of the blockchain network, confirming transactions, generating new blocks, and maintaining network security according to consensus algorithms  (such as proof of work, proof of stake, etc.)."}]}],"pr":"6a67e370d5beaddde514b08c132be4719aef80d17bc51f25a06837fd066f34c4"}