{"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":"d914b967bb6ee3515c40e3ea1e24c7752c4af8ca3891c8b48d3a703440f84622"}