{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the immutability of transactions?","a":"Blockchain technology ensures the immutability of transactions through the following methods: First, blockchain adopts a chain structure, where each block contains information about transactions and data, and each block is connected to the previous one through a hash pointer. This chain structure makes the data in the blockchain impossible to tamper with, as any tampering would require changing the hash values of subsequent blocks. Second, blockchain uses public-private key encryption algorithms for authentication and data encryption, ensuring that only individuals with the correct private key can modify the data. Additionally, blockchain also employs distributed storage and consensus mechanisms, such as proof of work or proof of stake, to enhance security."}]}],"pr":"4fd897996c50e744e2dc9eedefc0717a09675b4df4252b7cb7fb550d9faf53d0"}