{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are transactions verified in a blockchain?","a":"Node Validation: After  receiving the transaction information, nodes in the blockchain network perform preliminary validation, including checking whether the transaction is valid and whether the amount is sufficient."}]}],"pr":"48f5cde666544ab1b289d86f74bcecf74027050ed28c0e4f0c118a73f6bba906"}