{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the security of digital currency transactions?","a":"Data cannot be tampered with: Blockchain uses encryption algorithms, and once data is recorded in a block, it is difficult  to tamper with it. This ensures the integrity and authenticity of digital currency transaction history, helping to prevent fraud and tampering with transaction records."}]}],"pr":"7e68d3de6d2ab20a61c4f6f5daa0bcde6d99e02f97a7fef84a1b70adbda0de5d"}