CHFD Exam Study Guide (Certified Hyperledger Fabric Developer)

CHFD Study Guide (Certified Hyperledger Fabric Developer)

How to Prepare for the CHFD Exam?

Preparing for the CHFD Certified Hyperledger Fabric Developer certification exam? Don’t know where to start? This post is the CHFD Certificate Study Guide (with links to each exam objective).

I have curated a list of articles from the Internet for each objective of the CHFD exam. I hope this article will help you to achieve the CHFD Certified Hyperledger Fabric Developer Certification. Also, please share the post within your circles so it helps them to prepare for the exam.

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CHFD Certified Hyperledger Developer Course

Pluralsight (Free trial)Building Blockchains with Hyperledger
LinkedIn Learning (Free trial)Blockchain: Hyperledger Fabric on Azure
UdemyHyperledger Fabric – First Practical Blockchain

CHFD Certified Hyperledger Dev. Practice Test

Udemy Practice TestCert. Hyperledger Fabric Developer Test
Amazon e-book (PDF)Blockchain with Hyperledger Fabric

CHFD Hyperledger Developer Other Materials

Linux FoundationHyperledger Fabric for Developers
CourseraBlockchain platforms (specialization)

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Identity Management – 7%

Instantiate a wallet

Hyperledger wallet

Using wallets to manage identities

Create Hyperledger wallet programmatically

Import identities to a wallet

Import identity to a wallet in Hyperledger fabric

Select and manage identity from a wallet

Creating and managing identities

Update an identity in Hyperledger Fabric

Network Configuration – 8%

Create and use connection profiles

Connection profiles in Hyperledger

How to use a common connection profile?

Connection profile for Hyperledger fabric client app

Instantiate and connect to a gateway

Gateway in Hyperledger

Connect to the gateway

Hyperledger fabric gateway

Access networks and contracts

Hyperledger fabric network

Smart Contracts and Chaincode

Create a permissioned network

Access Control in Hyperledger

CHFA Hyperledger fabric

Amazon link (affiliate)

Smart Contract Development – 40%

Define smart contract class/construct

Smart Contracts and Chaincode

Smart Contract processing

Smart Contracts

Define transaction functions

Transaction processor functions

Hyperledger Composer’s Transaction Processor Function explained

Hyperledger transaction processor functions

Validate and sanitize inputs and arguments

Hyperledger Fabric: An overview of its transaction validation feature

Understand Hyperledger transaction verification

Transaction endorsement & validation

Implement deterministic logic/code

Deterministic compute

Get timestamps in a deterministic way in Hyperledger transactions

Simple state interaction (Get, Put, Delete)

APIs – CLI, REST, and Node.js | Hyperledger

Calling external HTTP or REST services

Execute simple queries

Query language | Hyperledger Composer

Query from the ledger in Hyperledger fabric

Hyperledger Fabric queries & where to find them

Create complex queries

Create blockchain queries with Hyperledger Composer

How to write complex queries in Composer?

Using queries & filters with business network data

Define assets using key-value pairs

Assets in Hyperledger Fabric model

Assets are represented as a collection of key-value pairs

Hyperledger Fabric: key concepts

Identify potentially private data

Private data

Private data in Hyperledger Fabric

Using private data in Fabric

Incorporate private data collection

Private data collection

Using private data collections in Hyperledger Fabric

Implement attribute-based access control

Attribute-based Access Control in Hyperledger fabric


Initialization of the ledger state

Ledger initialization

Install and instantiate a smart contract

Deploy a smart contract to a channel

Deploying a smart contract on the network

Deploy a smart contract using Fabric v2.x

Deploy smart contract with the Hyperledger Fabric chaincode

Smart Contract Invocation – 25%

Invoke smart contracts via CLI

Deploy a smart contract using Fabric v2.x

Deploying a smart contract to a channel

Submit one or more transactions

Create and send transactions

Transaction flow

Hyperledger Composer transaction submit command

Evaluate transaction functions e.g. for queries

Difference between Submit & Evaluate transaction

EvaluateTransaction() & submitTransaction()

Query transaction history

How to get all transactions history in Hyperledger fabric?

Get transaction history data in Hyperledger Composer

Call a transaction using transaction class (stateful)

Transaction handlers

Hyperledger Fabric SDK: Transaction

Create and issue an application contract

Writing your first application


Register and handle channel-based events

How to use the channel-based event service?

How Hyperledger Fabric Node.js uses channel-based event services?

Peer channel-based event services

Maintenance and Testing – 20%

Handle error and success responses

Error handling in Hyperledger

Error handling framework

Error handling success response

Identify and review logs

Log configuration

Configure logging

Logging control

Unit test contracts

Hyperledger Fabric chaincode unit testing

How to write unit tests for Hyperledger Fabric?

Diagnose and endorse policy conflicts

How are conflicts between different copies of the ledger resolved?

Identify and correct non-determinism in functions

Detecting non-determinism

Why Smart Contracts in Blockchain need to avoid non-deterministic functions

Troubleshoot transaction flow

Transaction flow

Explore transaction flow in Hyperledger Fabric

Transaction flow in Hyperledger Fabric

This brings us to the end of the CHFD Certified Hyperledger Fabric Developer study guide.

What do you think? Let me know in the comments section if I have missed out on anything. Also, I love to hear from you about how your preparation is going on!

In case you are preparing for other Blockchain certification exams, check out the Blockchain certificate study guides for those exams.

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