The recent surge in federated data management applications has brought forth concerns
about the security of underlying data and the consistency of replicas in the presence of
malicious attacks. A prominent solution in this direction is to employ a permissioned
blockchain framework that is modeled around traditional Byzantine Fault-Tolerant (BFT)
consensus protocols. Any federated application expects its data to be globally scattered to
achieve faster access. But, prior works have shown that traditional BFT protocols are slow …

The recent surge in federated data-management applications has brought forth concerns
about the security of underlying data and the consistency of replicas in the presence of
malicious attacks. A prominent solution in this direction is to employ a permissioned
blockchain framework that is modeled around traditional Byzantine Fault-Tolerant (Bft)
consensus protocols. Any federated application expects its data to be globally scattered to
achieve faster access. But, prior works have shown that traditional Bft protocols are slow and …