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Ambitious IT professionals treat certifications as leverage, and the Blockchain BTA Certified Blockchain Developer - Ethereum is one of the strongest levers around. BraindumpsIT gives you CBDE practice questions to pull it with.
Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance |
|---|---|
| Exam Name: | Blockchain Training Alliance Certified Blockchain Developer - Ethereum (CBDE) Exam |
| Exam Number: | CBDE |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Related Certifications: | Certified Blockchain Solutions Architect (CBSA) |
| Recommended Training: | Blockchain Training Alliance CBDE Training |
| Exam Registration: | Blockchain Training Alliance Certification Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored exam |
| Pre Condition: | Recommended understanding of blockchain concepts and basic Ethereum development experience. |
| Official Syllabus URL: | https://blockchaintrainingalliance.com/certifications/cbde |
Blockchain CBDE Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: DApp Development | - Web3 integration - Frontend interaction with smart contracts |
| Topic 2: Ethereum Fundamentals | - Accounts, transactions, and gas model - Blockchain architecture and Ethereum ecosystem |
| Topic 3: Smart Contracts Development | - Solidity programming fundamentals - Contract structure, functions, and modifiers |
| Topic 4: Security and Best Practices | - Smart contract vulnerabilities - Secure coding practices |
| Topic 5: Development Tools & Frameworks | - Truffle, Hardhat, and testing frameworks - Deployment and migration workflows |
Blockchain CBDE Exam — Frequently Asked Questions
The CBDE exam is Blockchain's official route to the Certified Blockchain Developer - Ethereum certification (Professional level). For IT professionals building a career, it signals verified skill — the kind of advantage that tips better opportunities your way. It also sits in a family of related credentials: Certified Blockchain Solutions Architect (CBSA).
Delivery is instant — files unlock at payment and a copy lands in your email within a minute; our 24/7 online service team responds within 2 hours if anything goes missing, and there are no installation limits. On refunds, our guarantee is real but conditional: take the corresponding CBDE exam within 60 days of purchase, and if you fail, send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam — we process the full refund within 7 days. Exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products are excluded. Rather have a replacement? Exchange for two equal-value exam products free and keep your original updates.
Yes — the vendor points candidates to these courses:
Training teaches; practice reveals. Once a course ends, the CBDE practice questions from BraindumpsIT tell you how much of it will survive real exam conditions.
Recommended understanding of blockchain concepts and basic Ethereum development experience. Requirements like these do get updated, so confirm the details on the official exam page — official CBDE exam information — before you spend anything on registration.
Yes — a free PDF demo lets you examine the question quality first. If you buy, 365 days of free updates are included, with new versions sent to you as they're released; an expired update period can be renewed later at 50% off.
Registration runs through the vendor's official channels:
The exam is available Online proctored exam — choose whatever fits your schedule and setup when you book.
Expect 5 domains in the Blockchain BTA Certified Blockchain Developer - Ethereum blueprint, headlined by Security and Best Practices, Development Tools & Frameworks, Ethereum Fundamentals. Use the weights as your study budget — high-percentage domains earn the most points per hour. The complete outline above has the full breakdown.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
DApps are:
- A. great, because they cut the middle man, run on a trusted platform, apply logic to the blockchain where already economic assets are running and thus allow peer to peer trade.
- B. an amazing way to create new applications. Those applications run entirely separated from other applications on the platform and allow for logical interactions. They can't access any funds to add an additional layer of trust.
- C. a new way of applying logical operations for banks and big financial institutions. This way they can reduce the staff while operating at increased security.
Correct Answer: B 🗳️
What's the correct scientific notation?
- A. 1 Ether = 10^18 wei, 10^6 Gwei, 10^6 Finney
- B. 1 Ether = 10^16 wei, 10^13 Gwei, 10^3 Finney
- C. 1 Ether = 10^18 wei, 10^9 Gwei, 10^3 Finney
- D. 1 Ether = 10^19 wei, 10^13 Gwei, 10^3 Finney
Correct Answer: C 🗳️
You interact with a smart contract and see a gas usage of 50,000 gas with a gas cost of 15Gwei.
How much Ether would you have to pay to the miner?
- A. A flat fee of 1 Ether
- B. 750,000,000 Wei
- C. 750,000,000,000 Wei
- D. 750,000,000,000,000 Wei
Correct Answer: D 🗳️
Function and Variable Visibility:
- A. a function that is marked as internal cannot be called by other contracts, unless the function is used by a derived contract. Private Functions cannot be called by any other outside contract and public variables are generating automatically a getter function.
- B. a function that is marked as external can never be called internally. Private functions can also be called by derived contracts using inheritance. Private variables are accessible also in derived contracts.
Correct Answer: A 🗳️
Loops in Solidity:
- A. are dangerous when used with data structures that grow, such as arrays or mapping, because it is hard to estimate the gas requirements.
- B. should be avoided where possible, because of unknown side-effects on the gas requirements.
- C. are a great way to circumvent gas requirements, because a loop will only consume gas once.
Correct Answer: A 🗳️
