{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to avoid using expired blockhash in blockchain transactions?","a":"Use the latest blockhash: When creating a  transaction, use the blockhash obtained from the latest block. This way, your transaction will be processed in the latest block, reducing the risk of using an expired blockhash."}]}],"pr":"adfc928cf9e1314c8b296a29003c3f1e2d78f0f12a9b68ee06475cdfe0bc8546"}