{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve data security and privacy issues?","a":"Cryptographic protection: Blockchain uses encryption algorithms (such as SHA-256) to encrypt data, ensuring  the security of data during transmission and storage."}]}],"pr":"4cfb8f1aaeb0004dfbdec9c60c047b4fd38d6f8a42c2bb5ec19bccc88115403f"}