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Hyperledger Fabric
- Developer: Linux Foundation. Open source. No licensing fees.
- Language: Chaincode in Go, JavaScript, or Java.
- Use cases: Multi-organization supply chain, cross-industry consortia, general-purpose enterprise blockchain.
- Privacy model: Channel architecture — each channel is a private sub-ledger shared only by participating organizations.
- Production deployments: Walmart Food Trust, Maersk (TradeLens), pharmaceutical DSCSA networks, IBM Food Safety, multiple healthcare consortia.
- Developer availability: Larger pool than Corda.
- Development cost: Medium-high.
Corda (R3)
- Developer: R3 Consortium. Commercial licensing (open core with enterprise features).
- Language: Kotlin (JVM), Java.
- Use cases: Financial services contracts, trade finance, capital markets, insurance. Purpose-built for financial contract representation.
- Privacy model: Point-to-point — data shared only between parties to a specific transaction. No concept of channels or shared ledger state.
- Production deployments: HSBC (trade finance, $2B+ in transactions), ING (trade finance), SIX Digital Exchange (digital securities), we.trade (discontinued).
- Developer availability: Smallest developer pool of major enterprise platforms.
- Development cost: Highest.
Decision Guide
Choose Hyperledger Fabric when: General-purpose multi-organization data sharing. Supply chain with 5+ organizations. Cross-industry application. Cost sensitivity matters. Larger developer pool needed.
Choose Corda when: Financial contracts between known counterparties. Maximum transaction privacy (no shared ledger state, true bilateral visibility only). Regulatory environment requires counterparty-specific data isolation. Integration with existing R3 network participants is valuable.