Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizGK Question
Which technology uses distributed ledger to record transactions across multiple computers?
- Cloud Computing
- Blockchain
- Edge Computing
- Quantum Computing
Answer: Blockchain
Blockchain is a decentralized, distributed ledger technology where transactions are recorded across multiple nodes, making it tamper-resistant and transparent. Beyond cryptocurrencies, it's used in supply chain, voting, identity management, and smart contracts. Key features: immutability, consensus, cryptography.