{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure account verification and permission management in account interactions?","a":"Cryptographic encryption: Blockchain technology uses cryptographic encryption algorithms (such as SHA-256) to  encrypt account information and transaction data, ensuring the security of the data during transmission and storage. Meanwhile, through digital signature technology, the authenticity and integrity of the data can be guaranteed."}]}],"pr":"0bd122b026ef31e75a1f1fc718fa57e4e58940f6150f998cba0bab8660075e7f"}