Introduction to Sawtooth PBFT

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As of release 1.1, Hyperledger Sawtooth supports dynamic consensus through its consensus API and SDKs. These tools, which were covered in a previous blog post, are the building blocks that make it easy to implement different consensus algorithms as consensus engines for Sawtooth. We chose to implement the Raft algorithm as our first consensus engine, which we describe in another blog post. While our Raft implementation is an excellent proof of concept, it is not Byzantine-fault-tolerant, which makes it unsuitable for consortium-style networks with adversarial trust characteristics.

To fill this gap, we chose the Practical Byzantine Fault Tolerance (PBFT) consensus algorithm. We started work on the Sawtooth PBFT consensus engine in the summer of 2018 and continue to develop and

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Read full article » https://www.hyperledger.org/blog/2019/02/13/introduction-to-sawtooth-pbft


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Hyperledger is an open source collaborative effort created to advance cross-industry blockchain technologies. It is a global collaboration, hosted by The Linux Foundation, including leaders in finance, banking, Internet of Things, supply chains, manufacturing and Technology.

Think of it as an operating system for marketplaces, data-sharing networks, micro-currencies, and decentralized digital communities. It has the potential to vastly reduce the cost and complexity of getting things done in the real world.

Only an Open Source, collaborative software development approach can ensure the transparency, longevity, interoperability and support required to bring blockchain technologies forward to mainstream commercial adoption. That is what Hyperledger is about – communities of software developers building blockchain frameworks and platforms.

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