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{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection mechanisms in blockchain?","a":"Encryption algorithm: The data in blockchain uses encryption algorithms such as Elliptic Curve Cryptography (ECC) and SHA-256 to encrypt and decrypt data, ensuring the security of data  during transmission and storage."}]}],"pr":"868421eaf4899a74e3ea00be9953a9308a92b743cd4141f0f2af00dd3bd906dc"}