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Using the Hedera Consensus Service with Hyperledger Fabric

- Webinar Recording: https://www.youtube.com/watch?v=elWRmHqRoww

Watch this on-demand webinar to learn how to get a Hyperledger Fabric network up and running with the Hedera Consensus Service. The Hedera team walks through how to create a Hyperledger Fabric network with the IBM Blockchain Platform using HCS for ordering transactions.

Developer resources mentioned in the webinar:
- Official IBM Blockchain Platform tutorial: https://github.com/IBM/Create-BlockchainNetwork-IBPV20
- HCS Hyperledger Fabric plugin repo: https://github.com/hyperledger-labs/pluggable-hcs/blob/master/first-network/README.md
- Hedera Getting Started tutorial: https://docs.hedera.com/guides/tutorials/getting-started-with-the-hedera-consensus-service-fabric-plugin

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Using the Hedera Consensus Service with Hyperledger Fabric

  1. 1. Donald Thibeau, Director of Product Mangement donald@hedera.com Xin Li, Senior Software Engineer xin.li@swirlds.com
  2. 2. HEDERA GOVERNING COUNCIL NETWORK SERVICES CRYPTOCURRENCY SMART CONTRACTS FILE SERVICE CONSENSUS SERVICE HASHGRAPH CONSENSUS HEDERA MAINNET & MIRROR NODES END USERS 3RD PARTY APPLICATIONS LEGALGAMING LOGISTICSCOMMUNICATIONS PRIVATE DLT MEDIAHEALTHREAL ESTATE SOCIAL CAUSESFINANCIAL Individuals Enterprises Devices Governments
  3. 3. Public vs. Private Advantage Disadvantage Private • Privacy configuration • Governance • Centralization • Scale • Vendor lock in Public • Decentralization • Performance • Anonymity • Regulatory concerns
  4. 4. The Hedera Consensus Service Hedera: Providing decentralization of a public network with privacy and compliance controls of a private network.
  5. 5. PRIVACY FINALITY TRUST AVAILABILITY HEDERA CONSENSUS PRIVATE NETWORK PRIVATE NETWORK CUSTOMIZATION DATA ENCRYPTION PERFORMANCE IDENTITYMANAGEMENT Encrypted transaction Transaction timestamp Pluggable Consensus with HCS Hedera Consensus Service provides auditable log of transaction for distinct tokens. Permissioned networks now share a single consensus engine, enabling: • Custom data access and encryption • Custom token definitions • Verifiable timestamps • Decentralized, shared service • Finality of transaction order • High performance Hedera supports integrations between the Hedera Consensus Service, Hyperledger Fabric, and R3’s Corda
  6. 6. Hedera mainnet Hedera mirrornet • Message • TopicID • Submitting Account Hedera HCS Message Submission
  7. 7. Hedera mainnet Hedera mirrornet • Consensus Timestamp • Sequence Number • Running Hash Hedera HCS Message Response
  8. 8. A quick refresher on Hyperledger Fabric • Fabric Network • Peer • Orderer • Certificate Authority • Chaincode • Channel
  9. 9. Lifecycle of a transaction 1 Transaction proposed to Fabric peer 2 Client application broadcast transaction to orderer Client Fabric peer Fabric orderer HCS plug-in Consensus nodes Mirror nodes Hedera Hashgraph
  10. 10. Lifecycle of a transaction 3 Transaction fragmented into messages, associated with topicID 4 Messages submitted to topic using HCS Client Fabric peer Fabric orderer HCS plug-in Hedera Hashgraph Consensus nodes Mirror nodes
  11. 11. Lifecycle of a transaction 5 Event reaches consensus, receiving consensus timestamp and state proof Client Fabric peer Fabric orderer HCS plug-in Hedera Hashgraph Consensus nodes Mirror nodes
  12. 12. Lifecycle of a transaction 6 Notify of message order Client Fabric peer Fabric orderer HCS plug-in Consensus nodes Mirror nodes Hedera Hashgraph
  13. 13. Lifecycle of a transaction Client Fabric peer Fabric orderer HCS plug-in Consensus nodes Mirror nodes 7 Transaction reassembled, put in block 8 Ordered transactions given to peers 9 Endorsed responses collected Hedera Hashgraph
  14. 14. HCS-based Orderer Orderer Hedera SDK Common HCS Plug-in Config handling Channel mgmt Common txn handling Block cutter AtomicBroadcast Config handling Channel mgmt Txn handling Consenter Chain Broadcast transaction to orderer Deliver ordered blocks Notify of consensus messages from mirror node Submit messages to mainnet

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  • unclenate

    May. 27, 2020

- Webinar Recording: https://www.youtube.com/watch?v=elWRmHqRoww Watch this on-demand webinar to learn how to get a Hyperledger Fabric network up and running with the Hedera Consensus Service. The Hedera team walks through how to create a Hyperledger Fabric network with the IBM Blockchain Platform using HCS for ordering transactions. Developer resources mentioned in the webinar: - Official IBM Blockchain Platform tutorial: https://github.com/IBM/Create-BlockchainNetwork-IBPV20 - HCS Hyperledger Fabric plugin repo: https://github.com/hyperledger-labs/pluggable-hcs/blob/master/first-network/README.md - Hedera Getting Started tutorial: https://docs.hedera.com/guides/tutorials/getting-started-with-the-hedera-consensus-service-fabric-plugin

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