{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to configure the capture of account history data in a blockchain database?","a":"Choose an appropriate blockchain platform: First, determine the blockchain platform to which the data belongs, such as Bitcoin  (BTC), Ethereum (ETH), etc. The data structure and acquisition method may vary between different blockchain platforms."}]}],"pr":"bf920ff79f8673ca449a76dd97e0579025b1015e93f9a4316561b46eb36df1e6"}