{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the transfer rules of blockchain smart contracts in blockchain?","a":"Executable: You can implement  various logics and rules in the contract, and let these codes execute automatically. This achieves automation of transactions."}]}],"pr":"36a4ec3626ed238cc4a08ee700db9803f561af4ca5483e5a0bd7455d7c4dfdb1"}