Guest post by Zhuolun Xiang In the previous post, we presented a summary of our good-case latency results for Byzantine broadcast and Byzantine fault tolerant state machine replication (BFT SMR), where the good case measures the latency to commit given that the leader/broadcaster is honest. In this post, we describe...| decentralizedthoughts.github.io
In the previous post, we discussed progress in authenticated synchronous consensus protocols. In this post, we will discuss one of the recent protocols Sync HotStuff, which is a simple and practical Byzantine Fault Tolerant SMR protocol to tolerate $f < n/2$ faults. We first present one of the key ideas...| decentralizedthoughts.github.io
Post updated in March 2021 Different modeling assumptions under which we construct BFT protocols often make it hard to compare two protocols and understand their relative contributions. In this post we discuss synchronous protocols in the authenticated model (assuming a PKI). A protocol runs in the synchronous model if it...| decentralizedthoughts.github.io
Guest post by Zhuolun Xiang State Machine Replication and Broadcast Many existing permission blockchains are built using Byzantine fault-tolerant state machine replication (BFT SMR), which ensures all honest replicas agree on the same sequence of client inputs. Most of the practical solutions for BFT SMR are based on the Primary-Backup...| decentralizedthoughts.github.io
