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Saturday, January 26 • 9:00am - 9:50am
Can’t we just agree?

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If you don’t want to be lost in the amount of emerging blockchain technologies, one of the things you have to understand is consensus algorithms used by them.

Consensus algorithm is one of the main differentiators among blockchain technologies and understanding how blockchain consensus is reached is crucial for every developer who wants to work on given technology. A short taxonomy of consensus algorithms used in various blockchain technologies will be given. We will start with the well known proof-of-work used in Bitcoin and show you how it differs from not-Byzantine fault tolerant consensus algorithms like Raft. You will understand why that could be a better choice for some of the blockchain technologies. We will conclude with emerging technologies, like Tendermint or Swirlds.

avatar for Ondřej Chaloupka

Ondřej Chaloupka

Developer, Red Hat
I'm a developer at WildFly team, working on project Narayana - transaction manager integrated with WildFly, Quarkus and other Red Hat projects.
avatar for Vojtech Juranek

Vojtech Juranek

Developer, Red Hat
Works at Red Hat on storage part of oVirt project and is a contributor to various open source projects.

Saturday January 26, 2019 9:00am - 9:50am CET