{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The core technology of blockchain is distributed ledger technology, which uses cryptography to secure the system and maintain a tamper-proof and decentralized database. It enables peer-to-peer transactions without the need for intermediaries, promotes transparency, and ensures the integrity of the data.","a":"Encrypted signature algorithm, used to ensure the security and integrity of data, preventing data tampering and forgery;"}]}],"pr":"568774e192069c216cc26deb39afa11f46b3a255a732a6151f15ae0fba90022e"}