{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain achieve the attribute of being tamper-proof?","a":"Decentralized structure: Blockchain adopts a decentralized network architecture, where data is stored on multiple nodes, and each node participates in the consensus and verification process. This decentralized feature makes it very difficult to  tamper with blockchain data, as attackers need to simultaneously control more than 51% of the nodes, which is virtually impossible in practical operations."}]}],"pr":"56071f732ef7ea7ac03790bbc01f4d79712d96693e8d89412dc474f8b5fedcf7"}