Now that we've recapped our journey so far, we will present some of the key areas that we see as challenges and an opportunity for the future of blockchain solutions.
The road ahead for Blockchain
by Anthony O'Dowd, Venkatraman Ramakrishna, Petr Novotny, Nitin Gaur, Luc Desro
Hands-On Blockchain with Hyperledger
- Title Page
- Copyright and Credits
- Packt Upsell
- Foreword
- Contributors
- Preface
- Blockchain - Enterprise and Industry Perspective
- Defining the terms – what is a blockchain?
- Four core building blocks of blockchain framworks
- Fundamentals of the secure transaction processing protocol
- Where blockchain technology has been and where it's going
- Industries putting blockchain technology to work
- Blockchain in the enterprise
- Enterprise design principles
- Business considerations for choosing a blockchain framework
- Technology considerations for choosing a blockchain framework
- Enterprise integration and designing for extensibility
- Other considerations
- Summary
- Exploring Hyperledger Fabric
- Building on the foundations of open computing
- Hyperledger frameworks, tools, and building blocks
- Hyperledger Fabric component design
- Hyperledger Fabric – the journey of a sample transaction
- Hyperledger Fabric explored
- Understanding governance in business networks powered by blockchain
- Summary
- Setting the Stage with a Business Scenario
- Trading and letter of credit
- Business scenario and use case
- Setting up the development environment
- Network components' configuration files
- Launching a sample trade network
- Summary
- Designing a Data and Transaction Model with Golang
- Exposing Network Assets and Transactions
- Building a complete application
- The nature of a Hyperledger Fabric application
- Building the application
- Middleware – wrapping and driving the chaincode
- Installation of tools and dependencies
- Creating and running the middleware
- Network configuration
- Endorsement policy
- User records
- Client registration and enrollment
- Creating a channel
- Joining a channel
- Installation of chaincode
- Instantiation of chaincode
- Invoking the chaincode
- Querying the chaincode
- Completing the loop – subscribing to blockchain events
- Putting it all together
- User application – exporting the service and API
- Integration with existing systems and processes
- Summary
- Building a complete application
- Business Networks
- A busy world of purposeful activity
- Defining business networks
- Introducing participants
- Introducing assets
- Introducing transactions
- Change as a fundamental concept
- Transaction definition and instance
- Implicit and explicit transactions
- The importance of contracts
- Signatures
- Smart contracts for multi-party transaction processing
- Digital transaction processing
- Initiating transactions
- Transaction history
- Transaction streams
- Separating transactions into different business networks
- Transaction history and asset states
- A business network as a history of transactions
- Regulators and business networks
- Discussing events from the perspective of designing a business network using Composer
- Implementing a business network
- Summary
- A Business Network Example
- The letter of credit sample
- Installing the sample
- Running the sample
- Step 1 – preparing to request a letter of credit
- Step 2 – requesting a letter of credit
- Step 3 – importing bank approval
- Step 4 – exporting bank approval
- Step 5 – letter received by exporter
- Step 6 – shipment
- Step 7 – goods received
- Step 8 – payment
- Step 9 – closing the letter
- Step 10 – Bob receives payment
- Recapping the process
- Analyzing the letter of credit process
- A description of the business network
- A model of the business network
- Examining the live network
- Creating business network APIs
- Summary
- The letter of credit sample
- Agility in a Blockchain Network
- Life in a Blockchain Network
- Modifying or upgrading a Hyperledger Fabric application
- Fabric blockchain and application life cycle
- Channel configuration updates
- Prerequisites for adding a new organization to the network
- Generating network cryptographic material
- Generating channel artifacts
- Generating the configuration and network components in one operation
- Launching the network components for the new organization
- Updating the channel configuration
- Adding the new organization to the network
- Smart contract and policy updates
- Platform upgrades
- System monitoring and performance
- Summary
- Modifying or upgrading a Hyperledger Fabric application
- Governance, Necessary Evil of Regulated Industries
- Hyperledger Fabric Security
- Hyperledger Fabric design goals impacting security
- Hyperledger Fabric architecture 
- Network bootstrap and governance – the first step towards security
- Strong identities – the key to the security of the Hyperledger Fabric network
- Chaincode security
- Common threats and how Hyperledger Fabric mitigates them 
- Hyperledger Fabric and Quantum Computing
- General data protection regulation (GDPR) considerations
- Summary
- The Future of Blockchain and the Challenges Ahead
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The road ahead for Blockchain
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