{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data traceability?","a":"Decentralized structure: Blockchain adopts a decentralized network architecture, where data is not managed by a single central institution but is distributed across multiple nodes. This structure makes it difficult to tamper with data during  transmission and storage, ensuring the integrity and authenticity of the data."}]}],"pr":"d2b2b94b3881cd6b5afc913054a44da3d3e61505bb05d5046b352af9e66e6009"}