An Attack Cost Multiplier quantifies the economic effort needed to compromise a blockchain network. It represents the ratio between resources an attacker must expend and the potential gain from a successful attack. A higher multiplier indicates a more secure system, as the financial barrier to disruption becomes substantial. This metric is crucial for evaluating the economic security of various consensus mechanisms.
Context
Discussions around Attack Cost Multiplier frequently arise when assessing the resilience of proof-of-work or proof-of-stake blockchains against 51% attacks. News reports often cite this factor when comparing the security models of different digital assets. A rising Attack Cost Multiplier suggests increasing network robustness, while a declining one might signal heightened vulnerability, prompting concern among participants.
VDFs are sequential cryptographic timekeepers that make randomness manipulation computationally prohibitive, enhancing Proof-of-Stake security and finality.
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