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All transactions are secured, private, and confidential. Fabric preserves its integrity by only allowing updates by consensus of the participants. When records have been inputted, they can never be altered.

Fabric is an enterprise solution interested in scalability and complying with regulations. All participants must register proof of identity to membership services to gain access to the system. Fabric issues transactions with derived certificates that are unlinkable to the owning participant, thereby offering anonymity on the network. Also, the content of each transaction is encrypted to ensure that only the intended participants can see the content.

Fabric has a modular architecture. You can add or take away components by implementing its protocol specification. Its container technology can handle most of the mainstream languages for smart contract development.

Hyperledger’s Iroha project is built on the work completed in the Fabric project. It’s meant to complement Fabric, Sawtooth, and the other projects under Hyperledger. Hyperledger added the Iroha project because the other projects didn’t have any infrastructure projects written in C++. Not having a C++ project severely limited how many people could benefit from the work on Hyperledger and the number of developers who could contribute to the project.