Quorum

Quorum (https://www.jpmorgan.com/global/Quorum) is an enterprise-focused fork of the Ethereum codebase, and offers a private blockchain infrastructure aimed specifically at financial use cases. It was created by J.P.Morgan, and claims to address three of the topics that would make a public blockchain network unsuitable for business use:

• Privacy, of both transaction and contract data
• Higher performance and throughput
• Permission and governance

Privacy

To achieve its headline feature of making transactions and contract data private, Quorum builds on Ethereum's existing transaction model, rather than completely redefining it.

Public transactions and public contracts are visible to everyone on the network, and make...