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Blockchain CBDE : BTA Certified Blockchain Developer - Ethereum
Exam Code: CBDE
Exam Name: BTA Certified Blockchain Developer - Ethereum
Updated: Oct 21, 2026
Q & A: 102 Questions and Answers
CBDE Free Demo download
A smooth sea never made a skillful mariner — and untested material never made a certified professional. The Blockchain BTA Certified Blockchain Developer - Ethereum best torrent at PassTorrent: 102 practice questions for the CBDE exam in 2026.
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 |
| Certificate Validity Period: | 2 years |
| Exam Price: | $300 USD |
| Real Exam Qty: | 70 |
| Passing Score: | 70% |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Response, Multiple Choice |
| Recommended Training: | CBDE Official Study Guide |
| Exam Registration: | BTA Official Registration |
| Sample Questions: |  |
| 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 |
|---|---|---|
| DApp Development & Deployment | 20% | - Development tools: Truffle, Hardhat, Ganache - Deployment to testnets and mainnet - Smart contract testing and debugging - Frontend integration patterns - Decentralized storage: IPFS |
| Solidity Programming | 30% | - Inheritance, interfaces, and libraries - Functions, modifiers, and visibility - Events, errors, and exceptions - Solidity syntax and data types - Smart contract design patterns |
| ERC Standards & Tokenization | 20% | - ERC-721 Non-Fungible Tokens (NFTs) - ERC-20 Fungible Tokens - ERC-1155 Multi-Token Standard - Token economics and best practices |
| Ethereum Architecture & EVM | 20% | - Gas mechanics, fees, and optimization - Ethereum Virtual Machine (EVM) fundamentals - Accounts, addresses, and state model - Ethereum network and node structure - Transactions and message calls |
| Web3 Integration & Security | 10% | - Contract upgradability and maintenance - Secure coding practices - Common vulnerabilities and mitigation - Web3.js and Ethers.js usage |
Blockchain BTA Certified Blockchain Developer - Ethereum Exam FAQ — Right Direction
$300 USD per attempt, 70% to pass. Retakes cost the full fee — take the right direction with the 102 practice questions for the CBDE exam at PassTorrent.
Through the vendor's official registration channels:
The Blockchain BTA Certified Blockchain Developer - Ethereum is delivered Online proctored exam via BTA student portal — pick the arrangement that suits you when booking.
The Blockchain BTA Certified Blockchain Developer - Ethereum is Blockchain's certification exam for Certified Blockchain Developer - Ethereum, at the Professional level. Capability comes first; certification displays it. Related credentials include Certified Blockchain Developer - Hyperledger, Certified Blockchain Solution Architect.
Upon successful payment, our system emails the Blockchain BTA Certified Blockchain Developer - Ethereum vce torrent automatically within about a minute — download to any portable device without limitation, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding CBDE exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
90 minutes for 70 questions. Practice anywhere without heavy books — the PassTorrent online test engine builds pacing wherever you are.
The Blockchain BTA Certified Blockchain Developer - Ethereum blueprint spans 5 domains — including Ethereum Architecture & EVM (20%), ERC Standards & Tokenization (20%), Solidity Programming (30%). Aim effort at the heavy domains first; the complete outline above lists every subtopic.
Yes:
After any course, acquire the essential content with the 102 practice questions for the Blockchain BTA Certified Blockchain Developer - Ethereum — every answer expert-verified.
Recommended: Basic programming knowledge, familiarity with JavaScript, C++, or Python, understanding of blockchain fundamentals Eligibility rules change over time, so verify the current requirements on the official page (official CBDE exam page) before registering.
Yes — the free Blockchain BTA Certified Blockchain Developer - Ethereum demo lets you judge quality before paying; the full torrent is top standard. Purchases include 365 days of free updates by email, with irregular discounts besides; renew afterward at 50% off.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
Question #1
EVM assembly:
- A. can be split across multiple files, but every contract must be in a file with the same name as the contract itself.
- B. is another language similar to LLL, more secure than Solidity.
- C. is much better than Solidity and a viable alternative.
Correct Answer: A 🗳️
Question #2
According to the official Style Guide:
- A. contract names should be capitalized, while functions should be mixedCase. You should use 4 spaces as indentation and a maximum of 79 (or 99) characters per line.
- B. you should capitalize function names, events and contract names, to avoid confusion with JavaScript. You should use Tabs to indentation and a maximum of 80 characters per line.
- C. contract should be mixedCase, as well as function names. Events should be capitalized. 2 spaces should be used as indentation and a maximum of 120 characters per line.
Correct Answer: A 🗳️
Question #3
Block Timestamp:
- A. the timestamp is based on the time zone of the miner, that is why it changes the difficulty continuously to reflect network latency.
- B. the timestamp can be influenced by a miner to a certain degree but it's always independent from the time-zone.
- C. the timestamp can't be influenced by a miner and is generally considered safe to be used for randomness on the blockchain.
Correct Answer: B 🗳️
Question #4
The following are value types in Solidity.
- A. Integer, Boolean, Structs and Fixed Point Numbers.
- B. Integer, Boolean, Struct, Mapping and Enum.
- C. Integer, Boolean, Enum and Addresses.
Correct Answer: C 🗳️
Question #5
If you are starting a new ERC20 token:
- A. it is beneficial to copy and paste the already existing code from the Ethereum wiki and modify this until you like it.
- B. best is to start with an audited implementation, for example from OpenZeppelin, in order to reuse already existing code.
- C. it would be best to start from scratch, just looking at the required interface.
Correct Answer: B 🗳️
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