Abstract:There is a resurgence of interest in Byzantine faulttolerant (BFT) systems due to blockchains. However, leaderbased BFT consensus protocols used by permissioned blockchains have limited scalability and robustness. To alleviate the leader bottleneck in BFT consensus, we introduce Stratus, a robust shared mempool protocol that decouples transaction distribution from consensus. Our idea is to have replicas disseminate transactions in a distributed manner and have the leader only propose transaction ids. Stratus u… Show more
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