Validator role separation is an architectural design where the various tasks performed by network validators in a proof-of-stake blockchain are divided among different entities or specialized roles. Instead of a single validator performing all functions, distinct groups might handle block production, data availability sampling, or fraud proof verification. This division aims to enhance decentralization, reduce the burden on individual validators, and potentially improve security. It helps to prevent any single point of control or failure.
Context
Validator role separation is a key topic in the design of advanced proof-of-stake blockchains and modular blockchain architectures. Discussions often focus on how this separation can improve network resilience and resistance to collusion while maintaining efficiency. A critical future development involves optimizing the coordination and incentive structures for these specialized validator roles. Its implementation is crucial for scaling decentralized networks without compromising their core principles.
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