{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in digital identity verification?","a":"Security: Blockchain digital IDs employ encryption algorithms and distributed storage technologies to ensure the security of user identity information. Identity information is stored on different nodes of the blockchain, ensuring that even if some nodes are  attacked, the overall system still maintains high security. In addition, users verify their identities through private keys, reducing the risk of identity information leaks."}]}],"pr":"2874c417b810850a1ce089b515007a9d1ad42b397216d061dc14f78f941717a0"}