{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the security of digital identity authentication?","a":"Decentralization: Blockchain technology uses distributed ledgers, storing data on multiple nodes, avoiding the risks brought about by centralized storage. This makes it difficult for hackers to attack and  tamper with identity authentication data, thereby improving the system's security."}]}],"pr":"678c8e32ad5bcad48e682264f4c5dbe11b716d8d760ea74275a7d0faa7f2f62b"}