{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of digital identity verification?","a":"Security: Blockchain technology adopts encryption algorithms and distributed storage technologies to ensure the security of user identity information. Identity information is encrypted by an encryption algorithm and stored in different  nodes of the blockchain."}]}],"pr":"6c6844a8e67ee099ce65459697a37713ef563a50cc1cd705e03c495198d69c77"}