Exam Name: BTA Certified Blockchain Developer - Ethereum
Certification Provider: Blockchain
Corresponding Certification: Blockchain Developer - Ethereum
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Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance (BTA) |
|---|---|
| Exam Name: | BTA Certified Blockchain Developer - Ethereum |
| Exam Number: | CBDE |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Exam Format: | Multiple Choice, Multiple Response |
| Exam Price: | $300 USD |
| Related Certifications: | Certified Blockchain Developer - Hyperledger Certified Blockchain Solution Architect |
| Real Exam Qty: | 70 |
| Certificate Validity Period: | 2 years |
| 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 |
|---|---|---|
| DApp Development & Deployment | 20% | - Deployment to testnets and mainnet - Development tools: Truffle, Hardhat, Ganache - Frontend integration patterns - Decentralized storage: IPFS - Smart contract testing and debugging |
| Solidity Programming | 30% | - Smart contract design patterns - Inheritance, interfaces, and libraries - Solidity syntax and data types - Events, errors, and exceptions - Functions, modifiers, and visibility |
| Web3 Integration & Security | 10% | - Common vulnerabilities and mitigation - Secure coding practices - Contract upgradability and maintenance - Web3.js and Ethers.js usage |
| ERC Standards & Tokenization | 20% | - ERC-721 Non-Fungible Tokens (NFTs) - Token economics and best practices - ERC-1155 Multi-Token Standard - ERC-20 Fungible Tokens |
| Ethereum Architecture & EVM | 20% | - Ethereum Virtual Machine (EVM) fundamentals - Transactions and message calls - Ethereum network and node structure - Accounts, addresses, and state model - Gas mechanics, fees, and optimization |
CBDE Exam Questions Candidates Actually Ask
Blockchain BTA Certified Blockchain Developer - Ethereum is an official Blockchain Training Alliance (BTA) exam, catalogued under the code CBDE. Passing it awards the Certified Blockchain Developer - Ethereum certification at the Professional level. It also links to Certified Blockchain Developer - Hyperledger, Certified Blockchain Solution Architect, which broadens its career value. Qualifying exams exist to prove ability in a measurable way, and this one proves yours against the vendor's own standard.
Blockchain BTA Certified Blockchain Developer - Ethereum gives you 70 questions and 90 minutes to answer them. Treat time as a resource to allocate, not a countdown to fear: rehearse full sessions in the PrepAwayPDF test engine, practice skipping and returning, and build the calm familiarity that lets your actual knowledge show up on exam day.
Passing Blockchain BTA Certified Blockchain Developer - Ethereum takes 70%, and the official fee is $300 USD. Retakes cost the full $300 USD again, which makes verified readiness the cheapest insurance there is. Track your PrepAwayPDF practice scores across sessions and book the exam only when clearing the requirement has become your baseline, not your best day.
Recommended: Basic programming knowledge, familiarity with JavaScript, C++, or Python, understanding of blockchain fundamentals
Since vendor requirements are revised periodically, confirm the current conditions before registering on the official exam page.
Registration for Blockchain BTA Certified Blockchain Developer - Ethereum runs through the official channels below.
One scheduling note: the exam is delivered Online proctored exam via BTA student portal.
Blockchain Training Alliance (BTA) recommends the following training for Blockchain BTA Certified Blockchain Developer - Ethereum candidates.
Whichever path you choose, reinforce it with the 102 practice questions in the PrepAwayPDF CBDE package, because exam confidence is built by answering, not just reading.
Yes. PrepAwayPDF provides a free PDF demo of the Blockchain BTA Certified Blockchain Developer - Ethereum material, so the product can earn your trust before it earns your money. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
Your purchase carries a 100% money-back guarantee with defined conditions. Take the Blockchain BTA Certified Blockchain Developer - Ethereum exam within 60 days of purchase; if you fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are not eligible, and neither are downloaded-but-unused products, free materials, or expired orders; the candidate name must match the payer name. File with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. If you prefer, exchange instead: two other exam products of equal value, free, with the update service on your original purchase retained.
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The Blockchain BTA Certified Blockchain Developer - Ethereum exam is divided into 5 domains. The most prominent are DApp Development & Deployment (20%), Ethereum Architecture & EVM (20%), and Solidity Programming (30%). The complete outline is above on this page; candidates who know the map waste far less time getting to the destination.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
When solidity is compiled then also Metadata is generated:
- A. the ABI array and the Metadata are not generated when solidity is compiled to bytecode, its generated by a migration software which deploys the smart contract on the blockchain.
- B. metadata contains the address, and the size of the smart contract. The ABI Array is generated externally upon deploying the smart contract.
- C. the Metadata contains the ABI Array, which defines the Interface to interact with the Smart Contract. Metadata can also contain the address of the smart contract when it gets deployed.
Correct Answer: C 🗳️
When defining a new datatype:
- A. its best to use a contract with public storage variables, so it can be used like a class.
- B. it's not possible to generate new datatypes in Solidity.
- C. it's best to use a struct, which is cheaper than deploying a new contract.
Correct Answer: C 🗳️
A Struct is a great way:
- A. to hold instances of other contracts.
- B. to define a new datatype in Solidity, so you don't need to use objects of another contract.
- C. to implement pointers to other contracts that can hold new datatypes.
Correct Answer: B 🗳️
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.
Correct Answer: B 🗳️
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 🗳️
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