{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to digital identity management?","a":"Decentralized storage and verification: When a file is written into the blockchain system, its authenticity has been confirmed by the nodes maintaining the network. These network nodes can be controlled by legitimate institutions or government agencies, responsible for confirming and verifying digital records. This approach improves the security and reliability of the data."}]}],"pr":"9aaccc6f3dc7a2df207000b7dcc77dd25dcd490a26b0593dfe5d17cffd4c8ee1"}