{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to the ownership of digital identity?","a":"Decentralized authentication:  Blockchain technology achieves secure storage and transmission of digital identity information through a decentralized network structure. In a blockchain system, the authentication process does not depend on a single central institution, but is completed by multiple nodes in the network. Each node can vote on the authenticity of the data, ensuring the validity and security of identity information."}]}]}