{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain in digital identity verification?","a":"Immutable identity information: Blockchain  technology has the characteristic of data immutability, meaning that once identity information is stored on the blockchain, it cannot be tampered with or misused. This ensures the authenticity and integrity of identity information, providing users with a secure and reliable verification method."}]}],"pr":"bd7935256387e0167a2951c4f00de6baf36da67408f5e9c6f5375adb962d26fa"}