Consensus mechanism security refers to the robustness of a blockchain’s agreement protocol against malicious actors or network failures. It ensures that all participants in the network can reliably agree on the state of the ledger. This involves defending against attacks such as the 51% attack or Sybil attacks, which aim to disrupt transaction finality or double-spend assets. Strong consensus security is a prerequisite for the integrity and trustworthiness of any distributed ledger technology.
Context
Ongoing discussions about consensus mechanism security frequently center on the trade-offs between different protocols like Proof-of-Work (PoW) and Proof-of-Stake (PoS) regarding their susceptibility to various attack vectors. Concerns are often raised about the centralization risks associated with certain PoS implementations and the energy consumption implications of PoW. Future research will likely focus on developing more resilient and energy-efficient consensus designs that can withstand evolving threat landscapes.
This research establishes a rigorous, abstract model for Maximal Extractable Value, enabling formal security proofs for blockchain protocols and smart contracts.
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