Definition ∞ Validator reuse refers to the practice where a single entity or individual operates multiple validator nodes within a proof-of-stake blockchain network. While not inherently malicious, excessive validator reuse by a few large entities can increase centralization risks. It can also amplify the impact of a single point of failure or a coordinated attack if the entity is compromised.
Context ∞ Validator reuse is a key topic in discussions surrounding decentralization and security within proof-of-stake ecosystems. Debates often focus on the trade-offs between network efficiency and the concentration of staking power. A critical future development involves the implementation of mechanisms that disincentivize excessive reuse or promote a more distributed validator set to enhance network resilience and censorship resistance.
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