Exam Name: BTA Certified Blockchain Developer - Ethereum
Certification Provider: Blockchain
Corresponding Certification: Blockchain Developer - Ethereum
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Instant Download Blockchain : CBDE Questions & Answers as PDF & Test Engine
Updated: Oct 16, 2026
No. of Questions: 102 Questions & Answers with Testing Engine
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CBDE Online Test Engine
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- Total Questions: 102
- Updated on: Oct 16, 2026
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CBDE Desktop Test Engine
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- Total Questions: 102
- Updated on: Oct 16, 2026
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CBDE PDF Practice Q&A's
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- Total Questions: 102
- Updated on: Oct 16, 2026
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Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance (BTA) |
|---|---|
| Exam Name: | BTA Certified Blockchain Developer - Ethereum |
| Exam Number: | CBDE |
| Certificate Validity Period: | 2 years |
| Passing Score: | 70% |
| Exam Duration: | 90 minutes |
| Related Certifications: | Certified Blockchain Developer - Hyperledger Certified Blockchain Solution Architect |
| Real Exam Qty: | 70 |
| Exam Format: | Multiple Response, Multiple Choice |
| Available Languages: | English |
| Exam Price: | $300 USD |
| 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:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: ERC Standards & Tokenization | 20% | - ERC-721 Non-Fungible Tokens (NFTs) - Token economics and best practices - ERC-1155 Multi-Token Standard - ERC-20 Fungible Tokens |
| Topic 2: Web3 Integration & Security | 10% | - Secure coding practices - Common vulnerabilities and mitigation - Contract upgradability and maintenance - Web3.js and Ethers.js usage |
| Topic 3: Ethereum Architecture & EVM | 20% | - Ethereum network and node structure - Accounts, addresses, and state model - Transactions and message calls - Gas mechanics, fees, and optimization - Ethereum Virtual Machine (EVM) fundamentals |
| Topic 4: Solidity Programming | 30% | - Inheritance, interfaces, and libraries - Events, errors, and exceptions - Smart contract design patterns - Functions, modifiers, and visibility - Solidity syntax and data types |
| Topic 5: DApp Development & Deployment | 20% | - Smart contract testing and debugging - Decentralized storage: IPFS - Frontend integration patterns - Deployment to testnets and mainnet - Development tools: Truffle, Hardhat, Ganache |
Frequently Asked Questions: Blockchain BTA Certified Blockchain Developer - Ethereum Preparation
TestKingIT refunds you in full if you take the Blockchain BTA Certified Blockchain Developer - Ethereum exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Delivery is by email within 1 minute of purchase — contact support if nothing arrives within 2 hours.
The CBDE exam is a Blockchain certification exam covering the Blockchain BTA Certified Blockchain Developer - Ethereum syllabus shown above. It forms part of these credential paths: Certified Blockchain Developer - Hyperledger, Certified Blockchain Solution Architect. Most candidates are working people studying around jobs and families, which is why TestKingIT built its 102 practice questions for fragmented schedules — PDF, Desktop Test Engine, and Online Test Engine formats included.
Online proctored exam via BTA student portal Register for the Blockchain BTA Certified Blockchain Developer - Ethereum exam through these official channels:
Once your date is confirmed, your TestKingIT practice questions arrive by email within 1 minute, so the study clock starts immediately.
The official Blockchain BTA Certified Blockchain Developer - Ethereum outline divides the exam into 5 domains, the largest being Solidity Programming (30%), Web3 Integration & Security (10%), and DApp Development & Deployment (20%). The full list is in the topics section above, and TestKingIT's 102 practice questions address every domain in it.
Registration for the Blockchain BTA Certified Blockchain Developer - Ethereum exam costs $300 USD, and the passing score is 70%. Retaking means paying the fee again, so check your level with the TestKingIT engines before you commit to a date.
Everything needed to start the minute your order arrives: 102 practice questions for the Blockchain BTA Certified Blockchain Developer - Ethereum exam in three formats — a printable, expert-prepared PDF with instant download; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. Also included: a free demo, 365 days of free updates, a 50% renewal discount afterward, unlimited installations, and remote installation guidance from professional IT staff if you need it.
Blockchain recommends these training resources for the Blockchain BTA Certified Blockchain Developer - Ethereum exam:
Reinforce the training with the 102 practice questions from TestKingIT — short, frequent sessions fit working schedules better than marathon weekends.
Recommended: Basic programming knowledge, familiarity with JavaScript, C++, or Python, understanding of blockchain fundamentals Since requirements can change, confirm the current version on the official Blockchain exam page before scheduling.
The Blockchain BTA Certified Blockchain Developer - Ethereum exam contains 70 with a limit of 90 minutes. That is tight pacing — rehearse it in the TestKingIT Desktop Test Engine's timed mode until it feels natural.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
Hashing Mining uses:
- A. the Dagger-Hashimoto hashing while internally the EVM uses Keccack256 which is almost similar to SHA256, but has a different padding so produces different hashes.
- B. Keccack256 while internally to hash values it's easy to use the Dagger-Hashimoto to create a meaningful hash.
- C. the Dagger-Hashimoto hashing while internally the EVM uses SHA256 which is an alias for Keccack256.
Correct Answer: A 🗳️
To get most out of the blockchain, it is best:
- A. to use it only for things which need the benefits of the blockchain.
- B. to use it for the whole business logic. It's always best to have everything in once place.
Correct Answer: A 🗳️
Variables of the type address store:
- A. a 32 bytes value
- B. a 20 bytes value
- C. a string
- D. a 20 characters long hex number
Correct Answer: B 🗳️
Truffle:
- A. is a framework for Java, similar to Web3.js for JavaScript. It's a great way to develop distributed Java enterprise applications.
- B. is a framework that helps developers with Testing, Deployment and Management of Smart Contracts and Distributed Applications.
- C. is a library that helps developers to connect to Ethereum nodes, because it abstracts the JSONRPC interface.
Correct Answer: B 🗳️
It's not possible to use inheritance from multiple sources in Solidity.
- A. False
- B. True
Correct Answer: A 🗳️
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All Blockchain questions are from TestKingIT CBDE dumps.
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