A Dynamic Validator Set refers to a group of network participants in a Proof-of-Stake blockchain whose composition changes over time, based on criteria such as staked amount or performance. Unlike static sets, this arrangement allows for a fluctuating number and identity of validators. This design promotes decentralization and censorship resistance.
Context
Dynamic validator sets are a key feature in many modern Proof-of-Stake protocols, seeking to improve network security and fairness. The continuous rotation or selection of validators helps prevent the concentration of power and reduces the risk of collusion. Discussions often focus on the optimal mechanisms for selecting and replacing validators to maintain network stability and robustness.
Introducing the MINSLACK mechanism, this work formally resolves the PoS utility-security trade-off by dynamically constraining validator exits to maintain crypto-economic safety.
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