{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain in data storage?","a":"Data cannot be tampered with: Blockchain uses encryption algorithms to ensure the integrity of data during storage and transmission. Once data is recorded on the blockchain, it is difficult to tamper with, thus ensuring the authenticity and credibility of the data."}]}],"pr":"b5a7968a435bc341c6b629d2f529a42c9cb9cfbbe74df10ea8017533d02b688e"}