A Comparison of the Security of Proof-of-Work versus Proof-of-Stake Blockchain Protocols

This project compares the security of Proof of Work (e.g., Bitcoin) versus Proof of Stake (e.g., Ethereum 2) protocols along several dimensions, including double-spend attacks,: use of market power in mining and staking: disruption of consensus and transaction finality.

Part of the Comparison of Consensus Protocols Project

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PArSEC | Executing Smart Contracts in Parallel