Centralized / Permissioned

Permissioned ledgers and enterprise blockchain deployments where access and governance are centrally controlled.

Centralized or permissioned blockchains are often used by enterprises and consortia where identity, access control, and governance are managed centrally.

Highlights

Controlled membership and permissioned nodes.
Focus on privacy, auditability, and regulatory compliance.
Common platforms: Hyperledger Fabric, R3 Corda, Quorum.

Considerations

Trade-offs between decentralization and governance.
Integration with existing enterprise systems.
Operational costs, backups, and disaster recovery.