In 2026, hiring managers scan for proof, not promises — and a Blockchain credential is proof they recognize. Prep4sureGuide's CBDE practice questions turn Blockchain BTA Certified Blockchain Developer - Ethereum preparation into the shortest line between intention and certification.
| Certification Vendor: | Blockchain Training Alliance (BTA) |
|---|---|
| Exam Name: | Certified Blockchain Developer - Ethereum |
| Exam Number: | CBDE |
| Related Certifications: | Certified Blockchain Solution Architect (CBSA) Other BTA Blockchain Developer Certifications Certified Blockchain Developer - Hyperledger Fabric (CBDH) |
| Exam Format: | Multiple choice |
| Real Exam Qty: | 70 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 275 |
| Certificate Validity Period: | 1 year from purchase |
| Passing Score: | 70% |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored exam launched via the BTA student portal. |
| Pre Condition: | No formal prerequisites; recommended experience with programming and basic blockchain concepts. |
| Official Syllabus URL: | https://blockchaintrainingalliance.com/products/cbde |
| Section | Objectives |
|---|---|
| Topic 1: Ethereum Fundamentals and Architecture | - Ethereum Virtual Machine (EVM) - Gas and transaction fee mechanics - Ethereum blockchain basics |
| Topic 2: Solidity Programming | - Solidity language fundamentals - Error handling and events - Smart contract development |
| Topic 3: Web3 and dApp Integration | - Web3.js integration - Decentralized application architecture |
| Topic 4: Smart Contract Security | - Secure coding best practices - Common vulnerabilities |
| Topic 5: Development Tools and Testing | - Use of development tools (e.g., Remix, Truffle) - Unit testing and deployment strategies |
The CBDE exam is Blockchain's formal test for the Blockchain Developer - Ethereum certification, a credential at the Professional level. It verifies that you can apply the Blockchain BTA Certified Blockchain Developer - Ethereum objectives in realistic, scenario-driven situations — the difference between having read about the work and being able to do it. It also connects to a broader certification path covering Certified Blockchain Developer - Hyperledger Fabric (CBDH), Certified Blockchain Solution Architect (CBSA), Other BTA Blockchain Developer Certifications, so the study effort compounds beyond a single exam. That is why preparing through realistic questions beats re-reading chapters every time.
The Blockchain BTA Certified Blockchain Developer - Ethereum blueprint spans 5 domains, led by Smart Contract Security, Ethereum Fundamentals and Architecture, and Web3 and dApp Integration. Treat the percentages as a study budget: the heavier the domain, the larger its share of your week. The complete topic list sits in the exam topics section above — build your plan on it, not on guesswork.
The Blockchain BTA Certified Blockchain Developer - Ethereum exam packs 70 questions into 90 minutes. Turn that ratio into a plan before test day: minutes divided by questions gives your per-item budget, and anything consuming double its budget gets marked and revisited at the end. Practice the rhythm against a real timer — every Prep4sureGuide engine session enforces one — until finishing with spare review time is your default.
Blockchain BTA Certified Blockchain Developer - Ethereum requires 70% to pass, and every attempt costs USD 275 — retakes included, at full price. The smart economics are simple: drill with Prep4sureGuide practice questions until your timed scores clear the mark across several consecutive sessions, then book the seat. Over-preparation is cheaper than re-registration.
Blockchain lists the Blockchain BTA Certified Blockchain Developer - Ethereum question formats as: Multiple choice. Format shapes strategy — locate the actual question sentence inside long scenario stems before reading details, and double-check every selection on multi-answer items. Prep4sureGuide's 102 practice questions exercise these formats so thoroughly that on exam day, only the content is unfamiliar.
You can sit the CBDE exam in English. Choose whichever language keeps your comprehension fastest under the clock — slow reading is a hidden tax on every question. Testing in English? Daily sessions with Prep4sureGuide's English CBDE practice questions double as focused terminology training.
The certification earned through the Blockchain BTA Certified Blockchain Developer - Ethereum exam stays valid for 1 year from purchase. Put the expiry date on your calendar the day you pass, and research the recertification path before it looms — a planned renewal is an errand, while an expired credential is a project. Blockchain sets these policies, so verify the current rules on the official certification page as your window approaches.
All three versions carry the same 102 expert-written questions — you are choosing a study environment, not a content tier:
Plenty of candidates mix formats — the PDF for reading, an engine for timed rehearsal.
Yes. Prep4sureGuide's free Blockchain BTA Certified Blockchain Developer - Ethereum PDF demo contains real sample questions with complete verified answers, so you can judge the quality yourself. Every purchase includes 365 days of free updates, and renewing after expiry costs 50% of the regular price from your member zone. Inspect first — material this confident has nothing to hide.
Continuously. As Blockchain adjusts the Blockchain BTA Certified Blockchain Developer - Ethereum exam, our experts supplement and revise the bank to match, and customer feedback flows into the same loop. Updates are free for 365 days in your member zone; watch the New Releases section or the Prep4sureGuide newsletter, and re-verify your version 3-4 days before your exam. Expired products repurchase at 50% off to restart the service.
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Delivery first: your Blockchain BTA Certified Blockchain Developer - Ethereum practice questions are downloadable immediately and emailed within one minute of payment — if 2 hours pass, check spam and contact support. Install on as many computers as you like. If the exam goes wrong, the 100% Money Back Guarantee applies under clear conditions: take the corresponding exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip and your official Score Report PDF within 2 days after the exam — full refunds are processed within 7 days. Not eligible: attempts within 3 days of purchase, exams never actually taken, free items, and expired orders; the candidate name must match the payer name. Prefer to keep preparing instead? Exchange for two free products of equal value and keep your update service.
It's easy to write clean-room unit-tests with truffle:
Correct Answer: B 🗳️
You need to use ____________ to get the address that initiated the transaction.
Correct Answer: B 🗳️
Truffle has an integrated in-memory blockchain which makes unit-testing very easy:
Correct Answer: A 🗳️
When considering smart contracts and the blockchain it's good:
Correct Answer: B 🗳️
Loops in Solidity:
Correct Answer: A 🗳️
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