What’s the Difference Between the 5 Hyperledger Blockchain Projects?

The Linux Foundation’s Hyperledger project, which is focused on open source blockchain technology, divides its work into five sub projects. Hyperledger Executive Director Brian Behlendorf said Hyperledger’s technical steering committee must approve each new sub project, and it’s looking for projects that “represent different thinking.”

The first five projects are: Fabric, Sawtooth, Indy, Burrow, and Iroha.

“Every one of these projects started life outside of Hyperledger, first, by a team that had certain use cases in mind,” said Behlendorf. Each project must bring something unique to the open source group, and its technology must be applicable to other companies.


Fabric is Hyperledger’s most active project to date. The Fabric 1.0 release was issued in July. IBM initiated the Fabric project. It’s intended as a foundation for developing blockchain distributed ledger applications with a modular architecture. It allows components, such as consensus and membership services, to be plug-and-play.

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