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Hyperledger Fabric: A Custom Blockchain Solution for Corporate Use
- 1. Hyperledger Fabric: A Custom Blockchain Solu<on for Corporate Use Robert Tochman-Szewc © Robert Tochman-Szewc, 2017 1
- 2. Agenda • My Background • Businesses and the Blockchain • Solu6ons • How Hyperledger Fabric works • Where is it heading? © Robert Tochman-Szewc, 2017 2
- 3. My Background © Robert Tochman-Szewc, 2017 3
- 4. My Background • So$ware Developer • Build Backends, Apps, Websites, Teams... • Fullstack Developer (JS) • Freelancer © Robert Tochman-Szewc, 2017 4
- 5. Businesses and the Blockchain © Robert Tochman-Szewc, 2017 5
- 6. Businesses and the Blockchain Blockchain is a hot topic, many companies want to • dip their feet in to gather experience • show they endorse it -> Blockchain projects for everyone! © Robert Tochman-Szewc, 2017 6
- 7. Scenarios © Robert Tochman-Szewc, 2017 7
- 8. Scenarios Two extremes can be observed: • Commercialy viable scenario, but blockchain use not required • Commercially ques8onable scenario, but the blockchain is perfect for it The middle is only being filled gradually. © Robert Tochman-Szewc, 2017 8
- 9. Scenarios (2) - Example Tracking the fish supply chain • Source • Age • Temperature during transport • Automa4c management of payments/discounts on ToS viola4on • No trust in single party © Robert Tochman-Szewc, 2017 9
- 10. Solu%ons: So many op%ons... © Robert Tochman-Szewc, 2017 10
- 11. Solu%ons: So many op%ons... (Dec '17) Solu%ons More Solu%ons Bitcoin Ethereum/Solidity HydraChain Hyperledger Burrow Hyperledger Fabric Hyperledger Iroha Hyperledger Sawtooth Mul=Chain NEM Neo Openchain Qtum Quorum R3 Corda © Robert Tochman-Szewc, 2017 11
- 12. Solu%ons: So many op%ons... (2) Criteria: • Do we want/need a stable cost structure? • Does it fit the requirements of your use-case? (Business Rules, Data Model) • Can we get the sample scenarios to work? • Is there an easy form of deployment available? (e.g. Docker) © Robert Tochman-Szewc, 2017 12
- 13. ..and yet so few? © Robert Tochman-Szewc, 2017 13
- 14. ..and yet so few? Turns out a*er discarding unfit solu2ons and tes2ng the others we were le* with a single solu2on: Hyperledger Fabric • Capable of our scenario • Offers a key-value store with rich queries -> Database • Actually works (in terms of sample scenarios) • Best documented (sCll with large gaps) © Robert Tochman-Szewc, 2017 14
- 15. How it works © Robert Tochman-Szewc, 2017 15
- 16. How it works Two op&ons: Write chaincode in Go or write Model and Business rules in JS with Fabric Composer. Our choice: Fabric Composer Reasons: • Existence of more holis1c model scenarios. • Codebase very ac1ve and solu1on is strongly endorsed by IBM. © Robert Tochman-Szewc, 2017 16
- 17. How it works (2) • DEMO © Robert Tochman-Szewc, 2017 17
- 18. What's inside? • Cer%ficate-based authen%ca%on • High-Level Access Management • High-level blockchain abstrac%on to allow for a database-like interac%on, including rich queries • Configura%on-free REST server © Robert Tochman-Szewc, 2017 18
- 19. What is it not? • Storage-efficient • CPU-efficient • Updateable • Embraced by society (yet) © Robert Tochman-Szewc, 2017 19
- 20. Where is it heading? © Robert Tochman-Szewc, 2017 20
- 21. Where is it heading? • Stability is here, you can already build working products with Hyperledger Fabric. • "Experimental" phase is not over, companies are s@ll figuring out how to use the blockchain in a meaningful way. • Most projects for corporate use are unstable or very limited and need to mature. • Documenta@on and API's need to improve drama@cally. © Robert Tochman-Szewc, 2017 21
- 22. Ques%ons? © Robert Tochman-Szewc, 2017 22
- 23. Thanks! rob@rtsworks.com © Robert Tochman-Szewc, 2017 23