BTA Certified Blockchain Developer - Ethereum: CBDE Exam

"BTA Certified Blockchain Developer - Ethereum", also known as CBDE exam, is a Blockchain Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 102 Q&As to your CBDE Exam preparation. In the CBDE exam resources, you will cover every field and category in Blockchain Developer - Ethereum Certification helping to ready you for your successful Blockchain Certification.

  • Exam Code: CBDE
  • Exam Name: BTA Certified Blockchain Developer - Ethereum
  • Certification Provider: Blockchain
  • Corresponding Certification: Blockchain Developer - Ethereum
  • Updated: Oct 20, 2026
  • No. of Questions: 102 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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In 2026, knowing the content and surviving the clock are two different skills. PrepAwayPDF's test engines train both, running CBDE practice questions under the same time pressure the Blockchain BTA Certified Blockchain Developer - Ethereum exam applies.

Blockchain CBDE Exam Overview:

Certification Vendor:Blockchain Training Alliance (BTA)
Exam Name:BTA Certified Blockchain Developer - Ethereum
Exam Number:CBDE
Exam Format:Multiple Choice, Multiple Response
Real Exam Qty:70
Exam Duration:90 minutes
Certificate Validity Period:2 years
Exam Price:$300 USD
Passing Score:70%
Available Languages:English
Related Certifications:Certified Blockchain Solution Architect
Certified Blockchain Developer - Hyperledger
Recommended Training:CBDE Official Study Guide
Exam Registration:BTA Official Registration
Sample Questions: DOWNLOAD DEMO
Exam Way:Online proctored exam via BTA student portal
Pre Condition:Recommended: Basic programming knowledge, familiarity with JavaScript, C++, or Python, understanding of blockchain fundamentals
Official Syllabus URL:https://blockchaintrainingalliance.com/collections/certifications/products/cbde

Blockchain CBDE Exam Syllabus Topics:

SectionWeightObjectives
ERC Standards & Tokenization20%- ERC-20 Fungible Tokens
- ERC-1155 Multi-Token Standard
- Token economics and best practices
- ERC-721 Non-Fungible Tokens (NFTs)
DApp Development & Deployment20%- Development tools: Truffle, Hardhat, Ganache
- Decentralized storage: IPFS
- Smart contract testing and debugging
- Deployment to testnets and mainnet
- Frontend integration patterns
Web3 Integration & Security10%- Secure coding practices
- Contract upgradability and maintenance
- Common vulnerabilities and mitigation
- Web3.js and Ethers.js usage
Ethereum Architecture & EVM20%- Ethereum Virtual Machine (EVM) fundamentals
- Gas mechanics, fees, and optimization
- Transactions and message calls
- Ethereum network and node structure
- Accounts, addresses, and state model
Solidity Programming30%- Solidity syntax and data types
- Inheritance, interfaces, and libraries
- Events, errors, and exceptions
- Functions, modifiers, and visibility
- Smart contract design patterns

Straight Answers About the Blockchain CBDE Exam

The CBDE exam is Blockchain's benchmark for awarding the Certified Blockchain Developer - Ethereum certification, a credential positioned at the Professional level. It measures whether you can apply the Blockchain BTA Certified Blockchain Developer - Ethereum objectives under exam conditions — not whether you recognize them in a textbook. It also connects to a wider certification path that includes Certified Blockchain Developer - Hyperledger, Certified Blockchain Solution Architect, so the effort you invest here keeps paying off. That is exactly why preparation built on realistic questions outperforms passive reading.

The Blockchain BTA Certified Blockchain Developer - Ethereum blueprint spans 5 domains, headlined by Ethereum Architecture & EVM (20%), ERC Standards & Tokenization (20%), and Solidity Programming (30%). Read the weightings as a budget: the domains carrying more of the score deserve more of your week. The complete topic list lives in the exam topics section above — plan against it, not against guesswork.

The Blockchain BTA Certified Blockchain Developer - Ethereum exam gives you 90 minutes for 70 questions. Convert that into a rhythm before test day: minutes divided by questions is your per-item budget, and anything burning twice its budget gets flagged and revisited at the end. Rehearse the pacing under a real timer — every PrepAwayPDF engine session runs one — until finishing with spare review time becomes normal.

Passing Blockchain BTA Certified Blockchain Developer - Ethereum requires 70%, and each attempt costs $300 USD — retakes included, at full price. The financially rational move is arriving over-prepared: drill with PrepAwayPDF practice questions until your timed scores clear the bar several sessions in a row, then register. That's not caution; it's refusing to pay for the same exam twice.

Blockchain lists the Blockchain BTA Certified Blockchain Developer - Ethereum question formats as: Multiple Choice, Multiple Response. Formats are not trivia — they change how you read. For long scenario stems, find the actual question sentence first; for multi-answer items, verify every option you select. PrepAwayPDF's 102 practice questions cover these formats thoroughly, so on exam day only the content is new.

The CBDE exam is offered in English. Pick the language where your reading speed holds up under time pressure — in a timed exam, slow comprehension is a hidden tax on every question. If you test in English, daily work with PrepAwayPDF's English CBDE practice questions doubles as targeted vocabulary training.

The certification earned through the Blockchain BTA Certified Blockchain Developer - Ethereum exam remains valid for 2 years. Note the expiry date early and research the recertification path well before it arrives — a planned renewal is an errand, an expired credential is a project. Blockchain owns these policies, so confirm the current rules on the official certification page as your window approaches.

All three versions contain the same 102 expert-written questions — what you're choosing is a study environment:

  • PDF version — printable, expert-prepared, instantly downloadable, readable anywhere, anytime. Includes 365 days of free updates and a free demo.
  • Desktop Test Engine — Windows software that simulates the real exam environment, with two practice modes, offline access, and unlimited installations.
  • Online Test Engine — runs in any web browser on Windows, Mac, Android, and iOS, with test history and performance review built in.

Many candidates combine formats — the PDF for reading, an engine for timed rehearsal.

Yes. PrepAwayPDF's free Blockchain BTA Certified Blockchain Developer - Ethereum PDF demo contains genuine sample questions with verified answers, so you can judge the quality before spending anything. Every purchase includes 365 days of free updates, and renewing after that costs 50% of the regular price from your member zone. Test-drive first — confident material has nothing to hide.

Continuously. As Blockchain adjusts the Blockchain BTA Certified Blockchain Developer - Ethereum exam, our experts revise the bank to match, and customer feedback feeds the same review loop. Updates are free for 365 days through your member zone; track them via the New Releases section or the PrepAwayPDF newsletter, and re-check 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 instantly and emailed within one minute of payment — if 2 hours pass, check spam and contact support. Install on as many computers as you need. If the exam doesn't go your way, the 100% Money Back Guarantee applies: 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? Exchange for two free products of equal value and retain your update service.

Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:

For Rapid Development Cycles it's good:

  • A. to use a private network at all times, because this is the closest you get to the real network.
  • B. to use in-memory blockchain simulations, because mining works instantaneously.
  • C. to deploy to the main-network as quickly as possible.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Go-Ethereum vs. Ganache:

  • A. both are the same, just implemented in a different language.
  • B. with Ganache you get a real blockchain node where you can connect to the Test-Networks Rinkeby and Ropsten.
  • C. with Go-Ethereum you get a real blockchain node where you can create your own local private network, connect to Test-Networks or the Main-Net, while with Ganache you get an in-memory blockchain simulation.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

It's possible to access the blockchain via an Ethereum Node:

  • A. by any programming language, as long as it adheres to the JSON-RPC standard.
  • B. only via JavaScript because there is the proprietary Web3.js library.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Why is it important to follow the same Interfaces?

  • A. The Ethereum Foundation can easily validate the Tokens and approve any audits by following the standard interface.
  • B. Websites that try to interface with the Token would have to know the exact ABI. It is upfront clear how the interaction has to be with the standard Interfaces.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Checking the balance of an address inside a loop of a smart contract constantly:

  • A. doesn't cost any gas.
  • B. cost gas every time we check the balance.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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