{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the atomicity of transactions?","a":"Encryption technology: Blockchain uses encryption algorithms (such as SHA-256) to ensure the security and integrity of the data. Each block contains the hash value of the previous block, forming a chain structure. Once the data in a block is changed, its hash value will also change, making it impossible for the subsequent blocks to be tampered with, thus ensuring the atomicity of transactions."}]}]}