{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the methods included in the JavaScript-based tracking pattern of blockchain?","a":"Create new  block: This method is used to create a new block and add it to the blockchain. New blocks usually contain a hash value, timestamp, hash value of the previous block, and transaction data."}]}],"pr":"b159a6cdfb820390f2e15201d288c806cd79d35a75a4dbf288aeccf7ee6d7a72"}