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cs.CR2025
CoBRA: A Universal Strategyproof Confirmation Protocol for Quorum-based Proof-of-Stake Blockchains
Zeta Avarikioti, Eleftherios Kokoris Kogias, Ray Neiheiser +1
The security of many Proof-of-Stake (PoS) payment systems relies on quorum-based State Machine Replication (SMR) protocols. While classical analyses assume purely Byzantine faults,…
cs.DC2025
Anthemius: Efficient & Modular Block Assembly for Concurrent Execution
Ray Neiheiser, Eleftherios Kokoris-Kogias
Many blockchains such as Ethereum execute all incoming transactions sequentially significantly limiting the potential throughput. A common approach to scale execution is parallel e…