{"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":"Unchangeable identity information: Blockchain technology has the characteristic  of data being unchangeable. Once identity information is stored on the blockchain, it cannot be tampered with. This ensures the security and authenticity of identity information, reducing the risk of fraud and identity theft."}]}],"pr":"3d0e04de06bb36126d50f003dc34432802ae24c6c0edb2822b4c1e0fb9dc8b6f"}