{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the distributed storage characteristics of blockchain?","a":"Decentralized distributed accounting: The information calculation and recording on the blockchain are not concentrated in a single server, but are distributed in blocks across the network. Each block is  independent and connected to each other, allowing direct information and value exchange."}]}],"pr":"5a10fc70020f4e9ede4a0446209e8e9cfac3ce3c3b8b6987c2f1893cfbe9b739"}