{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in data storage and management?","a":"Anti-tampering: Once data is recorded in the blockchain, it cannot be modified, which makes  blockchain technology highly resistant to tampering in data storage and management."}]}],"pr":"e004791dfbd96fd93d82cacbb920362c64743dad24752a79cef2c90fefcc21b4"}