{"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":"Account and storage model, used to implement user authentication, asset management, and data storage functions. \n\nIn addition, blockchain technology also involves derivative technologies such as smart contracts and encrypted digital currencies. \n\nThese core technologies together form the infrastructure of blockchain, enabling it  to achieve trustlessness, transparency, and security in data storage and transaction processing."}]}],"pr":"f23b60dfe8d7845c6951d4e0b33fa73ba44b44ec52c83446ab8e60c85b623ab4"}