{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the scarcity of digital assets and prevent tampering?","a":"Decentralization: Blockchain adopts a distributed node consensus mechanism, eliminating the risk of centralized control, and ensuring data  security and stability. The decentralized feature makes the blockchain system less vulnerable to external attacks, thereby improving data security."}]}],"pr":"88d037533a2b291acbf22a8da1ba0179ee57b83c7202187e53f62c3b3f6a1bc9"}