{"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":"xecution of consensus algorithm: Nodes participate in the consensus process of the blockchain network, verifying transactions, generating new blocks, and maintaining the security of  the blockchain according to the consensus algorithm (such as proof of work, proof of stake, etc.)."}]}],"pr":"0ec40b08f39df1080d0b51e687af91cee740d792aff470aaeb8fdeaf6146c88b"}