{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to perform authentication and management in a blockchain network?","a":"Decentralized Identity Verification: Blockchain networks adopt a decentralized architecture, with data  stored on multiple nodes, thus eliminating the need for centralized certification authorities for identity verification. Users can achieve verification and data signing by holding private and public keys. The private key is used to create digital signatures, while the public key is used to verify digital signatures. This verification method ensures the authenticity and integrity of the data."}]}],"pr":"3f78ef39bbdfa331777f840f633c5c546494338c8bd5e8dd26f6eca5ddc9e00c"}