{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to the ownership of digital identity?","a":"Data cannot  be tampered with: Once data is recorded in blockchain technology, it is difficult to tamper with. This means that digital identity information stored on the blockchain can ensure its integrity and credibility."}]}],"pr":"9f8336d6cb6dea2d53db30f9990c730e99c36dbab0929c84dc70d9ddcbae6ed9"}