Join Glenn Jones, Global Product and R&D Executive with Sweetbridge, Inc, and Synerzip as we explore the following: - What are the common characteristics of business problems that lend themselves well for blockchain use? - What does appropriate modeling real world business problems on blockchain solution architecture look like? - What is the role of various blockchain constructs: - Smart contracts - Distributed ledger -Cryptocurrency? - How do you pick the right blockchain technology platform? Do you use Hyperledger or Ethereum or Nuco or something else? - And lastly, understand the “off-chain” vs. “on-chain” development team.

1. Blockchain Application
Development 101
Glenn Jones, COO
& Ken Staker, VP Product Management
Sweetbridge

2. What is Blockchain?
 Distributed Ledger Technology (DLT) supporting P2P
trading
 Consensus is required to commit transactions in blocks
 Different consensus models (PBFT, PoW, PoS, DPoS)

3. What are Blockchains Good
For? Immutably storing the digital representation of
entities (e.g. Bitcoin) as their state changes via
transactions
 Cryptocurrencies/Store of value - What is my account balance?
 Digital Identity - Who are you and how have you changed over
time?
 Digital representation of a vehicle/Tokenization – Who owned
this car over time?
 Tracking provenance of food or drugs – What country & postal
code did this chicken come from
 Blockchains are not good for:
 Executing AI Algorithms
 Executing Complex planning and scheduling algorithms
 Real-Time Control

4. Evolution of Blockchain
Technology
 1st generation: Store and transfer of value (e.g.
Bitcoin, Ripple, Dash)
 2nd generation: Programmable via smart contracts
(E.g. Ethereum)
 3rd generation: Enterprise blockchains (E.g.
Hyperledger, R3 Corda & Ethereum Quorum)
 Next gen: Highly scalable with high concurrency
(E.g. RChain)

5. Permissionless vs. Permissioned
 Permissionless/Public
 Decentralized Trustless Blockchains – Anyone can process
blocks
 Consensus typically reached via PBFT or Proof of Work
 Miners compensated for validation
 E.g. Ethereum, Bitcoin, Dash & Ripple
 Permissioned/Federated
 Trusted: - All processors of blocks are known
 Less processing required for consensus hence faster
 E.g. Hyperledger, R3 Corda & Ethereum Quorum

6. Developing on Ethereum

7. Ethereum Dapp
Architecture
Consensus
Via PoW
Smart
Contracts
Smart
Contracts
Smart
Contracts
Ethereum
World
Computer
Etherum Node (e.g. Infura)
(geth, parity, cpp or pyethapp)
Web UI
[React/JS]
Web3js
JSON/HTTP

8. Java/Go
Docker/Lambda
Web3j
NodeJS
Docker/Lambda
Web3js
EthereumSaaS Architecture
Consensus
Via PoW
Smart
Contracts
Smart
Contracts
Smart
Contracts
Ethereum
World
Computer
Etherum Node (e.g. Infura)
(geth, parity, cpp or pyethapp)
Cloud Hosting
JSON/HTTP
UserInterface
[Mobile/React/JS]
Web3j(s)
NodeJS
Docker/Lambda
Web3js
Persistent Store
JSON/HTTP

9. Smart Contracts
 Execute on the Ethereum Virtual Machine (EVM)
 Languages:
 Solidity: most popular, Turing complete, similar to JavaScript
 Serpent

10. Smart Contract Deployment

11. Ethereum Challenges
 Security
 Transaction Latency and Cost
 Integer Programming
 Testing

12. Ethereum Tools
 Truffle – Solidity Development
 DappHub – Solidity and Byte Code development
 Web3.js & Web3j – Ethereum Client Libraries
 Ethereum Development Tutorial

13. Developing on Hyperledger

14. Hyperledger Objectives
 Enterprise Scalability
 Private Transactions - Confidential Contracts
 Maintain Security
 Modular Architecture - Plug and Play Components
 Membership Service
 Ordering Service
 State Database

15. Hyperledger Design
 Assets
 Members
 Transactions
 Events

16. FabricFabric [Apple]
Trans
Chain
StateDB
Couch
Chaincode
Fabric
[Seagate]
Trans
Chain
StateDB
Couch
Chaincode
Fabric
[WD]
Trans
Chain
StateDB
Couch
Chaincode
Endorser
Consenter
Committer
Hyperledger Architecture
Chaincodeeditor

17. Hyperledger Tools
FabricFabric [Apple]
Trans
Chain
State DB
Couch
Chaincod
e
Fabric
[Seagate]
Trans
Chain
State DB
Couch
Chaincod
e
Fabric
[WD]
Trans
Chain
State DB
Couch
Chaincod
e
Composer
Composer
JSON Data Model
JS Chaincode
JSON Role-based
ACL
ID Registry
Cello
Network Setup
DevOps UI
Network Teardown
Quilt (benchmark
performance)
Explorer (interactive gui)
Caliper (ledger
interoperability)
Software Development Kit
Node.js
Java
Python
Go

18. Skills & Process

19. Key Skills
 Software/Solution Architect
 Responsible for selecting technologies and defining
responsibilities for each module: User Interface/Mobile App,
Server & Database (including blockchain)
 Must have a good understanding of the objectives of using a
blockchain technology and blockchain limitations
 Blockchain Data Modeler
 Responsible for blockchain data modeling and smart contract
design
 Similar to a relational or no-SQL database modeler, must have
experience developing solutions on the target blockchain

20. Public Blockchains: Code is Open
Source
 Transparency: The spirit of the blockchain
 Smart contracts are open source, develop with this in mind
 Achieving Quality: Guarding against theft
 3rd party code audits complement traditional penetration testing
 Bug Bounties

21. Partnering with the best
blockchain projects, supply
chain technologies, delivery
partners and coalitions across
industries so everyone
prospers.

22. Alliance
Build and fund projects
Financial Assets
Self-banking for the new economy
Supply Chain
Orchestrate a liquid supply chain
Protocols
Liquidity, assets and talent
A better way to a new economy.
Who are we?

23. info@sweetbridge.com
@sweetbridgeinc
t.me/sweetbridge
Questions?

24. © 2018 Synerzip© 2018 Synerzip
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25. © 2018 Synerzip25
Who is Synerzip
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Next Webinar
Deep Learning / Machine Learning
Wednesday, April 25, 2018 at 10am CT
presenter:
Vinayak Joglekar
CTO & Co-Founder, Synerzip