{"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":"Immutability: Blockchain technology has the characteristic of being immutable, which means that once an individual's identity information is recorded on the blockchain, it cannot be tampered with or deleted. This helps ensure the authenticity and integrity of identity  information, providing users with a more secure and reliable digital identity proof."}]}],"pr":"d18c7891dba8573652ccc437f89eeb89fa5eff411aa985ef6c9e453096926d93"}