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Blockchain is not just for cryptocurrency. Enterprises across industries are adopting permissioned and hybrid blockchain solutions for supply chain management, trade finance, healthcare, identity, and more. This lesson covers enterprise blockchain platforms, real-world use cases, and emerging trends shaping the future.
| Feature | Public Blockchain | Enterprise Blockchain |
|---|---|---|
| Access | Open to anyone | Permissioned (invited participants) |
| Identity | Pseudonymous | Known, verified identities |
| Consensus | PoW, PoS (open participation) | BFT, RAFT, PoA (trusted validators) |
| Throughput | Lower (decentralisation trade-off) | Higher (fewer nodes, known participants) |
| Privacy | Transparent (all data public) | Configurable privacy (private channels, zero-knowledge proofs) |
| Governance | Community-driven | Consortium or single-organisation governed |
| Feature | Description |
|---|---|
| Organisation | Linux Foundation (Hyperledger) |
| Language | Go, JavaScript, Java (chaincode/smart contracts) |
| Consensus | Pluggable (RAFT, Kafka, BFT) |
| Privacy | Private channels — subsets of organisations can transact privately |
| Architecture | Execute-order-validate (optimised for enterprise throughput) |
| Identity | Membership Service Provider (MSP) with X.509 certificates |
| Feature | Description |
|---|---|
| Organisation | R3 |
| Language | Kotlin, Java (CorDapps) |
| Consensus | Notary service (pluggable: RAFT, BFT) |
| Privacy | Point-to-point communication — only parties involved in a transaction see the data |
| Architecture | No global broadcast; transactions are shared only with relevant parties |
| Use case | Financial services, trade finance, insurance |
| Feature | Description |
|---|---|
| Organisation | Linux Foundation (Hyperledger) |
| Language | Solidity (EVM-compatible) |
| Consensus | IBFT 2.0, QBFT, Clique (PoA) |
| Privacy | Private transactions using Tessera |
| Advantage | Can run as both a public Ethereum client and a private enterprise network |
| Platform | Language | Consensus | Privacy | EVM Compatible |
|---|---|---|---|---|
| Hyperledger Fabric | Go, JS, Java | RAFT, Kafka | Channels | No |
| R3 Corda | Kotlin, Java | Notary | Point-to-point | No |
| Hyperledger Besu | Solidity | IBFT, QBFT | Tessera | Yes |
| Quorum (ConsenSys) | Solidity | IBFT, RAFT | Tessera | Yes |
| Company / Project | Description |
|---|---|
| IBM Food Trust | Tracks food products from farm to shelf (used by Walmart, Carrefour) |
| TradeLens | Maersk and IBM's platform for global shipping documentation |
| De Beers (Tracr) | Tracks diamonds from mine to retail to prevent conflict diamonds |
| VeChain | Supply chain verification for luxury goods, food safety, and logistics |
| Company / Project | Description |
|---|---|
| JPMorgan (Onyx) | Blockchain-based payments and repo transactions |
| SWIFT (experiments) | Testing blockchain for cross-border payment messaging |
| HSBC | Digital vault for trade finance documents |
| Fnality | Consortium creating wholesale digital payment systems |
| Company / Project | Description |
|---|---|
| MedRec | Patient-centred medical record management on blockchain |
| Chronicled | Pharmaceutical supply chain compliance |
| Patientory | Secure health data exchange |
| Company / Project | Description |
|---|---|
| Estonia (e-Residency) | Blockchain-backed digital identity and governance since 2012 |
| Dubai (Smart Dubai) | Government documents on blockchain |
| European Blockchain Services Infrastructure (EBSI) | EU-wide blockchain for cross-border services |
As the number of blockchains grows, interoperability becomes critical:
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