{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to digital identity management?","a":"Cryptographic protection: Digital identity systems based on blockchain do not require direct sharing of sensitive information, but share and authenticate through cryptographic methods. For example, using hash functions to  convert files into hash values, representing the digital fingerprint of the file. Government agencies can use this technology to establish a secure and reliable identity verification system."}]}],"pr":"66c795c9352a3e3ed7c8d9aea4c94e8928543b5325398f9e6e4dde24578a204f"}