{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Can blockchain technology improve the security of the Internet?","a":"Data cannot be tampered with:  Blockchain uses encryption algorithms to ensure the authenticity and integrity of the data. Once data is recorded on the blockchain, it is difficult to tamper with, thereby avoiding the risk of malicious tampering of information."}]}],"pr":"b96ec79a8c972eb873a8e996b6ff6af7a6ffbcfc9dbd2ea9b652b1fc859c767e"}