{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do transactions occur in a blockchain?","a":"Node Validation: The nodes that receive the broadcast validate the transaction, including checking whether the transaction is valid, whether both parties have  the qualifications to send and receive, etc. If the validation passes, the transaction will be recorded on the blockchain."}]}],"pr":"83394bf14c064dd8bb732eb70660df15aca9c0289cb55e1338bbd82c274d35f6"}