Definition ∞ A system where the responsibility for maintaining network security is assigned to selected participants or entities. This often involves delegating staking power or validation rights to a smaller set of trusted actors. It aims to achieve efficiency and scalability while maintaining network integrity.
Context ∞ Delegated security models, such as Delegated Proof of Stake, are prevalent in various blockchain networks, seeking a balance between decentralization and performance. A key discussion revolves around the potential for centralization if too much power is concentrated among a few delegates. The ongoing challenge is to ensure robust decentralization and fair representation within these systems.
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