BFT security mechanisms refer to protocols designed to ensure consensus in distributed systems even when some components act maliciously. These systems can tolerate a certain number of faulty or dishonest nodes without compromising the integrity of the network. They achieve this by requiring a supermajority of honest nodes to agree on a state or transaction. This resilience is critical for the reliable operation of decentralized ledgers.
Context
BFT security mechanisms are a central topic in the design and evaluation of various blockchain architectures, particularly those prioritizing high transaction throughput and fast finality. Debates often focus on the trade-offs between Byzantine fault tolerance levels, network scalability, and decentralization. Ongoing research seeks to refine these mechanisms for broader application in digital asset infrastructure.
A new sortition protocol leverages verifiable randomness to select transactions fairly, eliminating the centralized sequencer's ability to extract MEV.
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