{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to debug and test blockchains within a blockchain?","a":"Write smart contracts: Write smart contracts according to requirements. These are the core code in the blockchain system, used to handle transactions and business logic."}]}],"pr":"b167f3c7dd9b7f31bd8315c5914b81069f3a8118d425fdd72c04a73065aabbc9"}