Certified Blockchain Developer - Ethereum
Exam Code: CBDE
The Certified Blockchain Developer - Ethereum certification validates technical Ethereum development skills, including Solidity smart contracts, web3.js implementation, smart contract security, deployment, gas cost calculation, unit testing, and Ethereum development tooling.
- Exam Breakdown
- Domain Breakdown
- Access Breakdown
Exam Format
- Exam Code: CBDE
- Certification Level: Developer / Technical
- Exam Duration: 90 minutes
- Passing Score: Not publicly disclosed by Blockchain Training Alliance on the official CBDE page
- Unscored Content: Blockchain Training Alliance does not publicly state that the CBDE exam includes unscored content.
Exam Details
- Question Types: Multiple-choice questions
- Number of Questions: 70 questions
- Hands-On Questions: The CBDE exam does not list hands-on lab questions. It is described as a performance-based evaluation of Ethereum development skills and knowledge through an online multiple-choice exam.
Exam Policies
- Offline Proctoring: Not publicly listed by Blockchain Training Alliance for the CBDE exam
- Online Proctoring: The exam is conducted online through the BTA Student Portal. Once purchased, the exam appears under the Exams tab, where candidates can launch it. Once the exam begins, candidates cannot exit it.
- Waiting Period: Not publicly disclosed by Blockchain Training Alliance on the official CBDE page
- Retake Fee: Candidates should purchase a new exam voucher if a retake is required, unless they purchased a bundle or offer that includes a retake option.
Certification Validity and Renewal
- Validity: Not clearly published on the official CBDE page. The exam voucher expires 1 year from purchase.
- Renewal Options: Recertification requirements are not clearly published on the official CBDE page. Candidates should confirm directly with Blockchain Training Alliance before booking.
Exam Fee
- Base Fee: $275 USD
- Taxes: Country-specific VAT/GST may apply.
- Example: In India, 18% tax applies, making the total $324.50 USD ($275 + $49.50 tax)
Prerequisites
There are no formal prerequisites publicly listed for taking the CBDE exam. However, it is recommended to have:
- Programming experience, preferably with JavaScript or similar languages
- Understanding of blockchain fundamentals and distributed ledger concepts
- Basic knowledge of Ethereum, wallets, transactions, and smart contracts
- Familiarity with Solidity development concepts
- Experience using development tools, testing frameworks, and deployment workflows
- Understanding of gas fees, test networks, mainnet deployment, and smart contract security basics
Exam Topics
- Ethereum Fundamentals: Ethereum blockchain concepts, accounts, transactions, blocks, nodes, public networks, test networks, and Ethereum ecosystem basics
- Solidity Smart Contracts: Writing, compiling, testing, and deploying Solidity smart contracts for Ethereum applications
- Smart Contract Security: Secure contract design, common bugs, programming errors, vulnerabilities, and safe development practices
- Web3.js Implementation: Interacting with Ethereum applications, smart contracts, wallets, and blockchain networks using web3.js
- Deployment and Networks: Deploying smart contracts to live and test Ethereum networks, development environments, and local blockchain tools
- Ethereum Gas and Fees: Calculating gas costs, understanding fees, optimizing contract execution, and working within Ethereum cost limitations
- Unit Testing Smart Contracts: Testing contract behavior, validating functionality, checking errors, and preparing production-ready Ethereum applications
- Ethereum Node Operations: Running an Ethereum node on development machines and understanding essential tools used in the Ethereum ecosystem
For a detailed breakdown and official study guide, feel free to contact us!
Intended Audience
The CBDE certification is ideal for technical professionals who want to build, test, deploy, and maintain Ethereum-based blockchain applications, including roles such as:
- Software Engineers
- Programmers
- Blockchain Developers
- Ethereum Developers
- Smart Contract Developers
- Application Architects
- Full-Stack Developers
- Web3 Developers
- DApp Developers
- Technical Consultants
Career Impact
Jobs You Can Get:
- Blockchain Developer, Ethereum Developer, Smart Contract Developer, Web3 Developer, DApp Developer, Solidity Developer, Full-Stack Blockchain Engineer, Application Architect, and Blockchain Technical Consultant.
Average Salary:
- Varies by country — U.S.: $90,000–$160,000 USD,
- India: ₹8,00,000–₹30,00,000 INR,
- United Kingdom: £50,000–£100,000 GBP,
- UAE: 180,000–400,000 AED per year.
Why It’s Valuable:
- It validates practical Ethereum development knowledge for professionals building decentralized applications, secure smart contracts, blockchain integrations, and production-ready Ethereum solutions.
Exam Mode
The exam is conducted online through the Blockchain Training Alliance Student Portal.
- Online exam through the BTA Student Portal
- Exam appears under the Exams tab after purchase
- Candidates launch the exam from their BTA portal
- Once the exam begins, candidates cannot exit it
- The exam evaluates Ethereum development skills and knowledge
- Candidates should ensure they have stable internet access before starting the exam
Exam Booking Link
- Book your CBDE Exam via Blockchain Training Alliance — Click here (https://blockchaintrainingalliance.com/products/cbde)
Once you pass the exam
- Confirm your result through the BTA Student Portal
- Become part of the BTA certified blockchain professional community
- Receive certification-related updates from Blockchain Training Alliance
- Log in to the BTA Student Portal
- Navigate to your exam or certification section
- Download, verify, or share your certification details if available in your profile
Offers
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Top Reasons to Choose
Certified Blockchain Developer - Ethereum
Practical Ethereum Developer Validation
Validates practical Ethereum development skills, including Solidity smart contracts, web3.js, gas cost calculation, deployment, unit testing, node usage, and secure development practices needed for real blockchain application projects.
Strong Smart Contract Focus
Focuses on writing, compiling, testing, deploying, and securing Solidity smart contracts, helping developers prove they can build Ethereum applications while understanding bugs, limitations, fees, and production-readiness requirements.
Useful for Web3 Career Growth
Supports career growth for software engineers, programmers, architects, and Web3 developers by validating Ethereum-specific technical knowledge needed for decentralized applications, blockchain integrations, and smart contract development roles.
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Customer review
Very helpful to help me focus on preparing exam. Just passed another exam with their material. Thank you Atmic!
Great support from the team, especially Lewis!!! Great great great supported me all through till I passed CBDE
Great team very professional. Tried and trusted worthy.
FAQ
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Who should take the CBDE Certified Blockchain Developer - Ethereum exam?
The CBDE exam is designed for technical professionals who want to validate Ethereum development skills. It is suitable for software engineers, programmers, blockchain developers, Ethereum developers, application architects, full-stack developers, Web3 developers, DApp builders, and technical consultants who work with Solidity smart contracts, Ethereum networks, web3.js, and blockchain development tools.
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How difficult is the CBDE exam?
The CBDE exam should be considered technical and developer-focused. Candidates need knowledge of Ethereum, Solidity, smart contract security, web3.js, gas costs, testing, deployment, and node usage. Developers with hands-on Ethereum experience will find it more manageable, while candidates without programming or blockchain development experience may find it challenging.
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What is the format of the CBDE exam?
The CBDE exam contains 70 multiple-choice questions and lasts 90 minutes. Blockchain Training Alliance describes it as a performance-based evaluation of Ethereum development skills and knowledge. The exam is delivered online through the BTA Student Portal, and once candidates begin the exam, they cannot exit it before completion.
-
What resources can be used to prepare for CBDE?
Candidates can prepare using the official CBDE Exam Study Guide, Blockchain Training Alliance Ethereum Developer Training, hands-on Solidity practice, web3.js exercises, smart contract testing, and deployment labs. Focus on writing secure contracts, compiling Solidity, deploying to test and live networks, calculating gas costs, unit testing, and running Ethereum development nodes.
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Is the CBDE certification valuable in 2026?
Yes, CBDE remains valuable in 2026 for developers working with Ethereum, smart contracts, decentralized applications, and Web3 systems. As organizations continue exploring tokenization, DeFi, digital assets, blockchain integrations, and decentralized infrastructure, Ethereum development skills remain useful for technical roles in blockchain engineering and application architecture.
