{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are blocks formed and confirmed in a blockchain?","a":"Transaction Occurs：When a transaction occurs，the nodes in the blockchain network broadcast the transaction information to the  entire network."}]}],"pr":"4ac7854f6d5aa3b50fdae7ab4698262da7480ac51c51824ab6f98dd6c9e855ce"}