{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent duplicate transactions in a blockchain?","a":"Unique Identification of Transactions: Each transaction generated will receive a unique transaction ID, which contains detailed information about the transaction, such as the sender, receiver,  and transaction amount. This unique ID ensures that each transaction is distinct and prevents duplicate usage."}]}],"pr":"8a0b808da8b2c57f3792cd0ab50f806793e63d2306f97cf9b5d3e35225934f67"}