jpmorganchase/quorumArchived
Quorum
Quorum is a permissioned blockchain framework based on Ethereum, designed for enterprise consortia. It implements a private version of the ledger that restricts network access to authorized participants and uses authority-based consensus mechanisms to achieve transaction finality without energy-intensive mining.
The project focuses on data privacy and access control through the use of private smart contracts and encrypted state storage. This ensures that transaction visibility and business logic results remain hidden from unauthorized nodes and are only accessible to designated consortium members.
The platform includes a permissioning layer for network admission and peer authentication to prevent public access. It also provides a plugin architecture for extending core functionality and integrating external security vaults for the management of account credentials.
Features
- Proof-of-Authority Consensus - Uses authority-based consensus mechanisms to achieve transaction finality without energy-intensive mining for enterprise consortia.
- Enterprise Blockchain Solutions - Provides a permissioned blockchain framework tailored for corporate environments with a focus on privacy and governance.
- Consortium Ledger Management - Maintains a shared ledger across multiple organizations using fast finality algorithms instead of mining.
- Permissioned Blockchain Frameworks - Facilitates the creation of private blockchain networks where only authenticated and authorized participants can join.
- Confidential Smart Contract Execution - Enables the execution of business logic where the state and results remain hidden from unauthorized nodes.
- Private Transaction Channels - Restricts ledger data access to a specific subset of authorized participants within a shared consortium via isolated channels.
- Network Access Control - Provides a framework to restrict network interaction to known, authenticated members, preventing open public access to the ledger.
- Network Access Controls - Implements a permissioning layer that restricts network entry and communication to a pre-approved list of authenticated nodes.
- Network Admission Layers - Manages network admission and peer authentication to prevent open public access to the ledger.
- Permissioned Ethereum Blockchains - Provides a private version of Ethereum that restricts network access to authorized participants for enterprise use cases.
- Permissioned Network Admission - Restricts network entry and communication to a pre-approved list of authenticated nodes and peer identities.
- Constellation-Based Privacy - Provides data privacy by encrypting state updates and restricting visibility to specific consortium members.
- Sensitive Data Access Controls - Uses encrypted messaging to separate public and private states, ensuring only authorized participants access specific data.
- External Key Integration - Provides a plugin architecture that delegates cryptographic operations to external key management services to avoid local key exposure.
- Account Credential Management - Integrates external security vaults to protect account keys and credentials instead of storing them locally.
- Vault Integrations - Provides a plugin interface to retrieve account credentials from secure third-party hardware or software vaults.
- Core Logic Extensions - Provides architectural hooks to integrate new isolated functionality without altering the underlying business logic.
- Plugin-Based Extensibility - Includes an architectural pattern for integrating new functionality and security vaults through isolated plugins.
- Private State Tries - Stores sensitive ledger data in separate encrypted structures accessible only to specific authorized participants.
- Ethereum Clients - Permissioned Ethereum implementation focused on enterprise data privacy.
- Ethereum Clients - Permissioned Ethereum implementation with data privacy.
- Blockchain Platforms - Ethereum-based enterprise blockchain with enhanced data privacy.
