{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to digital identity verification?","a":"Decentralization: As a distributed ledger technology, blockchain has decentralized characteristics, which can reduce dependence on a single centralized institution, and enhance the security and stability of the identity authentication system."}]}],"pr":"64baaf8e0f6f71b79d157d6a230faa6d1badcf6dfb1f1945d0027482ed4b354e"}