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: Sep 22, 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: Sep 22, 2026
- Price: $69.00
CBDE Desktop Test Engine
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- Total Questions: 102
- Updated on: Sep 22, 2026
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CBDE PDF Practice Q&A's
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- Total Questions: 102
- Updated on: Sep 22, 2026
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One purchase, three experiences. The Prep4away Blockchain BTA Certified Blockchain Developer - Ethereum bundle pairs 102 practice questions with a printable PDF, an offline Windows simulator, and an online engine — different studying methods, one better solution.
Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance (BTA) |
|---|---|
| Exam Name: | BTA Certified Blockchain Developer - Ethereum |
| Exam Number: | CBDE |
| Related Certifications: | Certified Blockchain Developer - Hyperledger Certified Blockchain Solution Architect |
| Exam Format: | Multiple Response, Multiple Choice |
| Passing Score: | 70% |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD |
| Real Exam Qty: | 70 |
| Certificate Validity Period: | 2 years |
| Available Languages: | English |
| 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: Ethereum Architecture & EVM | 20% | - Transactions and message calls - Gas mechanics, fees, and optimization - Accounts, addresses, and state model - Ethereum network and node structure - Ethereum Virtual Machine (EVM) fundamentals |
| Topic 2: Web3 Integration & Security | 10% | - Common vulnerabilities and mitigation - Web3.js and Ethers.js usage - Secure coding practices - Contract upgradability and maintenance |
| Topic 3: DApp Development & Deployment | 20% | - Deployment to testnets and mainnet - Smart contract testing and debugging - Development tools: Truffle, Hardhat, Ganache - Decentralized storage: IPFS - Frontend integration patterns |
| Topic 4: Solidity Programming | 30% | - Solidity syntax and data types - Events, errors, and exceptions - Functions, modifiers, and visibility - Smart contract design patterns - Inheritance, interfaces, and libraries |
| Topic 5: ERC Standards & Tokenization | 20% | - ERC-20 Fungible Tokens - ERC-721 Non-Fungible Tokens (NFTs) - Token economics and best practices - ERC-1155 Multi-Token Standard |
Blockchain BTA Certified Blockchain Developer - Ethereum Exam — Your Questions Answered
Three versions of the same study materials, each with its own character: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 102 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Recommended: Basic programming knowledge, familiarity with JavaScript, C++, or Python, understanding of blockchain fundamentals Since requirements change over time, confirm the latest on the official Blockchain exam page before scheduling.
The official Blockchain BTA Certified Blockchain Developer - Ethereum outline defines 5 domains. The leading three are Ethereum Architecture & EVM (20%), Web3 Integration & Security (10%), and Solidity Programming (30%). The full list is in the topics section above, and Prep4away's 102 practice questions cover each one.
Blockchain recommends these training resources for the Blockchain BTA Certified Blockchain Developer - Ethereum exam:
Follow the training with steady self-testing — the 102 practice questions from Prep4away help you apply theory and fill any gaps the training leaves.
The CBDE exam is a Blockchain certification exam validating the Blockchain BTA Certified Blockchain Developer - Ethereum syllabus shown above. It belongs to these credential paths: Certified Blockchain Developer - Hyperledger, Certified Blockchain Solution Architect. Candidates in 2026 prepare for it with Prep4away's 102 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
The Blockchain BTA Certified Blockchain Developer - Ethereum exam requires 70% to pass, and registration costs $300 USD. A failed attempt means paying the same fee again — a readiness check with the Prep4away engines before booking is the cheaper option.
Prep4away issues a full refund 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. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
Online proctored exam via BTA student portal Register for the Blockchain BTA Certified Blockchain Developer - Ethereum exam through these official channels:
After booking, Prep4away delivers your practice questions within 1 minute — preparation starts the same day.
The Blockchain BTA Certified Blockchain Developer - Ethereum exam contains 70 to complete within 90 minutes. Timed simulation in the Prep4away Desktop Test Engine teaches that rhythm before exam day does.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
When defining a new datatype:
- A. it's best to use a struct, which is cheaper than deploying a new contract.
- B. it's not possible to generate new datatypes in Solidity.
- C. its best to use a contract with public storage variables, so it can be used like a class.
Correct Answer: A 🗳️
View and Pure Functions:
- A. can be accessed during transactions and calls.
- B. can only be accessed during calls.
Correct Answer: A 🗳️
Events:
- A. are stored on chain and are a great way to get a return value when a contract calls another contract.
- B. are stored in something like a side-chain and cannot be accessed by contracts.
- C. are used primarily for debugging exceptions in solidity.
Correct Answer: B 🗳️
It's easy to write clean-room unit-tests with truffle:
- A. for JavaScript using Web3.js
- B. for Solidity and JavaScript
- C. for Java, JavaScript, and C++
- D. for any language, as long as it adheres to the open Testing-Interface from Truffle
Correct Answer: B 🗳️
The JSON-RPC Protocol:
- A. is a mean of dumping the blockchain data in a so-called consensus export.
- B. is used to communicate between blockchain nodes.
- C. is used to communicate between the blockchain node and externally running applications.
- D. is used to ensure safe communication between miners.
Correct Answer: C 🗳️
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