{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How secure is the blockchain?","a":"Data cannot be tampered with: Blockchain uses encryption algorithms to divide data into blocks, which are linked in chronological order to form a chain. Each block contains a certain number of transaction data. Once the data  is recorded in the block, it cannot be tampered with."}]}],"pr":"114d8b6ce70b2c64000cbab1685a474058a170bb5ba15088165d6de25840ea74"}