{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications and advantages of blockchain technology in digital identity authentication?","a":"Decentralization: Blockchain technology adopts a decentralized storage method, where data is not managed by a single central institution, but is distributed across multiple nodes. This decentralized feature makes the blockchain system more  secure, stable, and less susceptible to hacker attacks, thereby improving the security of digital identity authentication."}]}],"pr":"4be35249c876efb4b0ac1ca1e44c7998d22c45f635a0db728e8f1cab0c5cc672"}