{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology work?","a":"Distributed database: From the perspective of data, blockchain  is a distributed database or called distributed shared ledger. Here,"}]}],"pr":"60339b8f9043ebfe3ec165cf67ab30342e82dac06d42834f68a9847985807a69"}