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Exam Information
Official specifications published by Blockchain
Exam Format
90 min
70
70%
Professional
Registration
$300 USD
Pearson VUE or online proctoring
Validity
2 years
Retake the exam before expiration; Complete continuing education requirements
CBDH Exam Topics and Domains
CBDH is organized into 5 weighted domains. Expect to work with Certificate Authority, Certificate rotation, Channel configuration, Channel creation, and more.
1
Hyperledger Fabric Fundamentals
30%
Hyperledger Fabric Architecture
Core ComponentsMembership Service Providers (MSPs)
- Understand the architecture of Hyperledger Fabric
- Identify and explain the role of each component
- Configure membership service providers
Ledger and State Management
Ledger ComponentsPrivate Data Collections
- Understand ledger structure and components
- Implement private data collections
- Configure gossip protocol for data distribution
Network Concepts
Consortium NetworksConcurrency Control
- Design multi-organization networks
- Implement concurrency control mechanisms
- Manage consortium governance
2
Chaincode Development
25%
Smart Contract Development
Chaincode StructureProgramming Languages
- Write chaincode in Go or Node.js
- Implement smart contract interfaces
- Manage chaincode lifecycle
Asset and Transaction Modeling
Asset ModelingTransaction Design
- Model complex business assets
- Design transaction workflows
- Implement endorsement policies
Chaincode Testing and Events
Unit TestingEvents and Notifications
- Write comprehensive chaincode tests
- Implement event-driven patterns
- Debug chaincode effectively
3
Fabric Application Development
25%
Application Design Basics
Fabric SDK UsageConnection Profiles
- Initialize and configure Fabric SDKs
- Manage connection profiles
- Implement service discovery
Identity and Access Management
User Registration and EnrollmentWallets and Identities
- Implement user registration and enrollment
- Manage digital wallets
- Handle identity credentials securely
Transaction Submission
Invoking and Querying ChaincodeEvent Listening
- Submit and query transactions
- Implement event listeners
- Handle transaction responses
4
Setup and Configuration
10%
Network Setup
Runtime ComponentsChannel and Peer Setup
- Deploy Fabric runtime components
- Configure channels and peers
- Manage network topology
Security Configuration
TLS ConfigurationNode Management
- Configure TLS for secure communication
- Use Fabric CLI tools effectively
- Perform administrative operations
5
Testing & Troubleshooting
10%
Testing Strategies
Unit and Integration Testing
- Implement comprehensive testing strategies
- Automate testing processes
- Ensure code quality
Debugging and Monitoring
Chaincode DebuggingNetwork Monitoring
- Debug chaincode effectively
- Monitor network health
- Troubleshoot common issues
Common Issues and Solutions
Troubleshooting Patterns
- Identify and resolve common issues
- Implement monitoring best practices
- Optimize network performance
How do I earn this certification?
Passing CBDH earns the Certified Blockchain Developer - Hyperledger certification. It sits in the Blockchain Development track.
Current Level Exams
Next Level Options
- CBSA - Certified Blockchain Solution Architect
- CBSP - Certified Blockchain Security Professional
Alternative Paths
- CBDE - Certified Blockchain Developer - EthereumAlternative blockchain platform expertise
- CBPM - Certified Blockchain Project Manager Management track for technical professionals
- LFCS - Linux Foundation Certified System AdministratorComplementary Linux/container skills
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for CBDH is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2022-03-01
Updates
- Hyperledger Fabric 2.5 LTS Current exam covers 2.x features, compatible with 2.5 LTS • Release date: 2023-01-31
- Fabric Gateway 1.0 New client application development patterns included • Release date: 2021-12-01
- Smart Contract API 2.x Updated contract API patterns are exam topics • Release date: 2020-01-30
Who should take this exam?
- 1 year of development experience
- 3 months of Hyperledger experience
- Basic understanding of blockchain technology
- Basic programming capability with focus on Golang or NodeJS