Decoupling fairness from consensus: High-performance BFT with asynchronous ordering

Tianyang Li

doi:10.1016/j.sysarc.2026.103982

Decoupling fairness from consensus: High-performance BFT with asynchronous ordering

2026-09-04

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DOI：10.1016/j.sysarc.2026.103982

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• Proposed a novel two-phase fairness paradigm decoupling ordering from consensus. • Offloads costly ordering to an asynchronous procedure concurrent with consensus. • Introduced TPfair, achieving high-performance BFT with γ -batch-order-fairness. • Achieved 2.9x higher throughput and 75% lower latency than SOTA at geo-scale.

Keywords:

Blockchain

Byzantine Fault Tolerance

Order-fairness protocols

Performance

Decoupling fairness from consensus: High-performance BFT with asynchronous ordering

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