{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of digital identity security?","a":"Data cannot be tampered with: Blockchain technology ensures the authenticity and integrity of data through cryptographic algorithms such  as hash functions and digital signatures. Once identity information is written into the blockchain, any attempts to tamper with or forge data will be identified."}]}],"pr":"bf0013998065ad440d15e6429df2b28790f346759437a7513dc0b967a2595972"}