{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the security problem of data?","a":"Data cannot be tampered with: Blockchain  uses encryption algorithms to ensure the integrity of the data during transmission and storage."}]}],"pr":"5fc837a66818397d235edadb390b9c95ec3909c2b5f72167342f27fc82ed1b33"}