What does it take to deploy large scale decentralized applications?
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Slides prepared for the EU Blockchain Observatory and Forum, to frame a discussion on what it takes to deploy large scale decentralized applications.
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What does it take to deploy large scale decentralized applications?
- 1. Unus 1 What does it take to deploy large scale decentralized applications? Peter Broadhurst Co-Founder, Head of Engineering Kaleido, a ConsenSys Business https://kaleido.io https://linkedin.com/in/broadhurstpeter
- 2. Prepared by ConsenSys for the EU Blockchain Observatory and Forum A substantial number of blockchain projects will reach scale in 2019 2
- 3. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Service Oriented Architecture Projects on their way to success share the same key features 3 Pragmatic approach to interoperability Shared workflows Homogeneous production environment Dedicated team for upgrades and maintenance Sound Project Governance Enabling features Foundations: Comprehensive identity and permissioning framework Security policies and audits Evolutive legal terms and conditions Between all actors involved To replace and/or upgrade components Short-term: trusted oracles; long-term: bridging/pegging to global network To increase network stability To ensure the technical perennity of the platform
- 4. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Identity and Governance meets Decentralization 4 Shared workflows Between all actors involved Who can vote on consensus? Who can run a node? Who can submit transactions?
- 5. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Tools and Processes have to Evolve and Adapt 5 Shared workflows Between all actors involved PoC Rapidly bootstrapping a critical mass of participation Pilot Making shared IT real, with decentralized data ownership Production Fostering adoption and growth with low friction
- 6. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Decentralized Solution Infra – Beyond the Chain 6 Service Oriented Architecture To replace and/or upgrade components The Chain Shared/encrypted off-chain data Identity registry Rich-query data stores Caching & Privacy Private & Secure Bus for files & data Key Management & Transaction submission
- 7. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Microservices / Components - Consistency & Reuse 7 Service Oriented Architecture To replace and/or upgrade components • Participants need customization of these layers • To fit their business requirements & processes • To meet their internal governance & audit • Consider: • Consortia-managed Reference Implementations • Collaborative Open Source User Interface & APIs AAA Integration (LDAP etc.) Identity Mapping, Anonymity services, Key Management API layer for Smart Contracts On-chain data Caching Private Comms ... Integration Systems of Record DevOps ...
- 8. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Oracles Inform On-chain Shared Logic 8 Pragmatic approach to interoperability Short-term: trusted oracles; long-term: bridging/pegging to global network DB External database Permissioned blockchain network Other blockchain Trusted oracles Governance and contractual terms defining the responsibilities and liabilities of oracles Decentralized oracles
- 9. Prepared by ConsenSys for the EU Blockchain Observatory and Forum More Interconnected Architectures are Evolving 9 Pragmatic approach to interoperability Short-term: trusted oracles; long-term: bridging/pegging to global network Global blockchain network (e.g. Ethereum or Corda Network Identity Chain Payment Chain Healthcare Data Chain Bridge Bridge Bridge Cryptographic or oracle based bridges between purpose-built blockchains and global network ● Immutable back-ups ● Transfer of value ● Registration of Claims / Proofs Ad hoc bridge/oracle for specific purpose Supply-chain Management chain Bridge
- 10. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Capturing the Essence of Blockchain 10 Homogeneous production environment To increase network stability GovernanceSpeed Consistency AutonomyDisruption Decentralization A stalled idealistic projectJust another database
- 11. Prepared by ConsenSys for the EU Blockchain Observatory and Forum The Organization Matters 11 Dedicated team for upgrades and maintenance To ensure the technical perennity of the platform • The chain must stay running for all participants • The integrity of the ledger must be ensured • The technology is new, fast-changing OSS • The infrastructure is new to most IT organizations
- 12. Prepared by ConsenSys for the EU Blockchain Observatory and Forum Foundations 12 Comprehensive identity and permissioning framework Security policies and audits Evolutive legal terms and conditions • How does an organization establish and prove it’s identity? • To join the consensus algorithm? • To send transactions? • To send/receive off-chain data? • What Smart Contract code has been agreed and reviewed by the consortia? • Networking infrastructure and regional/data-sovereignty considerations on infrastructure • Data classification for on-chain vs. off-chain • Data storage, transmission & cleansing • Key storage and rotation • Conditions of participation in the consortia • Mapping between on-chain proofs and legal frameworks, in multiple jurisdictions • Terms and procedures for leaving the consortium • Technical SLAs on participants to ensure a continuously functional network/consensus