Quiz: The Byzantine Generals Problem 4 questions · 80% to pass 1. The Byzantine Generals Problem is fundamentally about:Military strategy in ancient RomeReaching consensus when some participants may be dishonestEncrypting messages so enemies can't read themChoosing the fastest communication protocolThe Byzantine Generals Problem is about achieving consensus among distributed participants when some may be actively malicious and sending contradictory information.2. Consensus is mathematically proven impossible when traitors exceed what fraction of participants?One-half (50%)One-quarter (25%)One-third (33%)One-tenth (10%)Lamport et al. proved that Byzantine consensus is impossible if more than 1/3 of participants are faulty or malicious. Honest participants must exceed 2/3.3. Traditional banks solve the Byzantine Generals Problem by:Using blockchain technologyAppointing a trusted central authority whose word is finalRequiring all transactions to be in cashVoting on each transaction democraticallyBanks, Visa, the Fed, and clearinghouses all act as trusted central authorities. They declare the truth about balances and transactions. The system works as long as you trust the center.4. Which consensus mechanism does XRPL use?Proof of WorkProof of StakeFederated ConsensusDelegated Proof of StakeXRPL uses Federated Consensus where each validator maintains a trust list (Unique Node List). Consensus emerges from the overlap of these lists, settling transactions in 3-5 seconds without mining or staking. Check answers Retake quiz Back to lesson Next lesson →