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What is Hyperledger?

Are you interested in learning about what is Hyperledger? This article will explain in an easy way and in plain words how does Hyperledger work.

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Hyperledger is a group of projects aiming to create enterprise-grade, open-source distributed ledgers. The Hyperledger Project is supported and hosted by the Linux Foundation.

Although hosted by the Linux Foundation, each project was developed and contributed by different sources. There are several projects within the Hyperledger Project, each one providing a blockchain platform to solve specific problems.

Gert Sylvest of Tradeshift on Hyperledger

Hyperledger Fabric

This is a modular, permissioned blockchain that can run smart contracts (called chaincode). The Fabric blockchain was initially contributed to the Hyperledger Project by Digital Asset and IBM.

Hyperledger Sawtooth

This is a modular distributed ledger using proof of elapsed time as the consensus protocol. In a proof of elapsed time system, every participant requests a “wait time” from a hardware enclave (a trusted and secure feature available on some hardware), which distributes wait times randomly.

Whichever participant was awarded the shortest time creates the next block in the chain. The use of Hyperledger Sawtooth is tightly coupled to hardware that supports the hardware enclave feature. Hyperledger Sawtooth was initially contributed by Intel.

Hyperledger Iroha

This acts as an Identity/Know Your Customer (KYC) service using blockchain technologies, which allows institutions to share data and manage identity. Hyperledger Iroha was initially contributed by Soramitsu, Hitachi, NTT Data, and Colu.

Hyperledger Burrow

Hyperledger Burrow is a permissioned smart contract-enabled blockchain platform. It accepts Ethereum-based smart contract code. Hyperledger Burrow was originally contributed by Monax and co-sponsored by Intel.

Hyperledger Indy

This is an independent identity platform providing provenance for trust transactions and accountability. It supports user-controlled exchanges of verifiable claims about identifying information, as well as revocation models. It supports three important privacy features: Decentralized Identifiers (DIDs), pointers to off-ledger sources so that no personal data is written to the ledger, and zero-knowledge-proofs. The Indy code is being contributed to the Hyperledger Project by the Sovrin Foundation.

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