{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to obtain the blockchain trace record of a given location?","a":"Identify the blockchain type: First, you need to know which type of blockchain you want  to query, such as Bitcoin (BTC), Ethereum (ETH), or other blockchains."}]}],"pr":"9044ea0f4885da663d6f19d3d144d3036ac3369cd8c8fd903532406ff1105bd5"}