{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to use the public API interfaces of a blockchain?","a":"Choose an appropriate blockchain  platform: According to project requirements, select a suitable blockchain platform, such as Bitcoin (BTC), Ethereum (ETH), etc."}]}],"pr":"041d38d21a549aec3fa0e735e1614db96432d771171252e96c0fe39e3d3c6733"}