Exam Name: BTA Certified Blockchain Developer - Ethereum
Certification Provider: Blockchain
Corresponding Certification: Blockchain Developer - Ethereum
Over 66114+ Satisfied Customers
Instant Download Blockchain : CBDE Questions & Answers as PDF & Test Engine
Updated: Aug 24, 2026
No. of Questions: 102 Questions & Answers with Testing Engine
Download Limit: Unlimited
Instant Download: Upon successful payment, Our systems will automatically send the product you have purchased to your mailbox by email. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)
100% Money Back Guarantee
2Pass4sure has an unprecedented 99.6% first time pass rate among our customers. 
We're so confident of our products that we provide no hassle product exchange.
- Best exam practice material
- Three formats are optional
- 10 years of excellence
- 365 Days Free Updates
- Learn anywhere, anytime
- 100% Safe shopping experience
CBDE Online Test Engine
- Online Tool, Convenient, easy to study.
- Instant Online Access CBDE Dumps
- Supports All Web Browsers
- CBDE Practice Online Anytime
- Test History and Performance Review
- Supports Windows / Mac / Android / iOS, etc.
- Try Online Engine Demo
- Total Questions: 102
- Updated on: Aug 24, 2026
- Price: $69.00
CBDE Desktop Test Engine
- Installable Software Application
- Simulates Real CBDE Exam Environment
- Builds CBDE Exam Confidence
- Supports MS Operating System
- Two Modes For CBDE Practice
- Practice Offline Anytime
- Software Screenshots
- Total Questions: 102
- Updated on: Aug 24, 2026
- Price: $69.00
CBDE PDF Practice Q&A's
- Printable CBDE PDF Format
- Prepared by Blockchain Experts
- Instant Access to Download CBDE PDF
- Study Anywhere, Anytime
- 365 Days Free Updates
- Free CBDE PDF Demo Available
- Download Q&A's Demo
- Total Questions: 102
- Updated on: Aug 24, 2026
- Price: $69.00
A Blockchain credential still carries real weight in 2026 hiring decisions, and the CBDE exam is the gatekeeper. Behind 2Pass4sure's Blockchain BTA Certified Blockchain Developer - Ethereum package stands an expert team that verifies each of the 102 practice questions against what the exam currently tests.
Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance (BTA) |
|---|---|
| Exam Name: | Certified Blockchain Developer - Ethereum |
| Exam Number: | CBDE |
| Passing Score: | 70% |
| Real Exam Qty: | 70 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 1 year from purchase |
| Exam Price: | USD 275 |
| Related Certifications: | Certified Blockchain Solution Architect (CBSA) Certified Blockchain Developer - Hyperledger Fabric (CBDH) Other BTA Blockchain Developer Certifications |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam launched via the BTA student portal. |
| Pre Condition: | No formal prerequisites; recommended experience with programming and basic blockchain concepts. |
| Official Syllabus URL: | https://blockchaintrainingalliance.com/products/cbde |
Blockchain CBDE Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Web3 and dApp Integration | - Decentralized application architecture - Web3.js integration |
| Topic 2: Smart Contract Security | - Secure coding best practices - Common vulnerabilities |
| Topic 3: Ethereum Fundamentals and Architecture | - Ethereum Virtual Machine (EVM) - Ethereum blockchain basics - Gas and transaction fee mechanics |
| Topic 4: Solidity Programming | - Solidity language fundamentals - Smart contract development - Error handling and events |
| Topic 5: Development Tools and Testing | - Unit testing and deployment strategies - Use of development tools (e.g., Remix, Truffle) |
Answers to the Most Common Questions About Blockchain BTA Certified Blockchain Developer - Ethereum
The CBDE exam is the official Blockchain exam for Blockchain BTA Certified Blockchain Developer - Ethereum. Passing it earns you the Blockchain Developer - Ethereum credential, which sits at the Professional level. It is also connected to Certified Blockchain Developer - Hyperledger Fabric (CBDH), Certified Blockchain Solution Architect (CBSA), Other BTA Blockchain Developer Certifications, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.
The CBDE exam contains 70 questions, and the time limit is 90 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in 2Pass4sure's test engine will teach you that rhythm far better than untimed reading ever will.
The passing score for the CBDE exam is 70%, and the official registration fee is USD 275. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run 2Pass4sure's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.
No formal prerequisites; recommended experience with programming and basic blockchain concepts. Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://blockchaintrainingalliance.com/products/cbde.
Yes. 2Pass4sure offers a free PDF demo of the Blockchain BTA Certified Blockchain Developer - Ethereum practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.
If you take the corresponding exam within 60 days of purchase and do not pass, 2Pass4sure backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.
The official Blockchain BTA Certified Blockchain Developer - Ethereum blueprint is organized into 5 domains. The leading areas are:
- Web3 and dApp Integration
- Solidity Programming
- Ethereum Fundamentals and Architecture
For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
Question 1
Hashing Mining uses:
A. Keccack256 while internally to hash values it's easy to use the Dagger-Hashimoto to create a meaningful hash.
B. the Dagger-Hashimoto hashing while internally the EVM uses SHA256 which is an alias for Keccack256.
C. 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.
Question 2
Solidity gets compiled:
A. to bytecodes which are essentially opcodes running instruction by instruction.
B. to bytecode that can't be understood by humans.
Question 3
To communicate with an Ethereum node via JavaScript:
A. must Implement the Ethereum Protocol to connect to other Ethereum Nodes.
B. must use Web3.js, which is closed source to communicate to other Ethereum Nodes.
C. the library you use must make use of the JSON-RPC Interface of an Ethereum Node.
Question 4
Loops in Solidity:
A. are a great way to circumvent gas requirements, because a loop will only consume gas once.
B. should be avoided where possible, because of unknown side-effects on the gas requirements.
C. are dangerous when used with data structures that grow, such as arrays or mapping, because it is hard to estimate the gas requirements.
Question 5
With the truffle config file you can manage:
A. different Networks to deploy your contracts to. This way you can easily deploy to a local blockchain, the main-net or the Ropsten/Rinkeby Test-Net with only one parameter.
B. the amount of gas your contract deployment and transactions, against your contract, will need. This way you can essentially lower the gas costs over traditional web3.js dApps.
C. you can manage your secret API keys to the Ethereum Network. This way you can get access to several different Ethereum nodes at the same time without the need to switch your keyfiles.
Solutions:
| Question 1 Answer: C | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: A |
720 Customer ReviewsCustomers Feedback (* Some similar or old comments have been hidden.)
My roommate recommended CBDE exam materials to me and i passed the exam in a short time. Thank you!
Levi
Gays, these CBDE exam dumps are valid. They are good enough to use for preparing for your coming exam. I used them myself. All the best!
Orville
Passed my CBDE exam with CBDE exam braindump, so i recommend highly them though there are a few answers i don't understand. Thanks!
Josephine
The CBDE questions and answers are accurate and right.
The question I've got during the exam was more than 92% same from the first test.So thanks you again!
Thomas
I have failed once so I am very clear about the real questions.I have got the update version from 2Pass4sure
Elliot
Have already heard about the revolutionary prep guides of various braindumps sites but tried 2Pass4sure for the first time. It surprised me.
Murray
I am truly happy to share that i have got the CBDE certification. 2Pass4sure provides the valid and reliable Blockchain CBDE practice dumps. This is must and recommended
Colby
I have never imagined that preparing for CBDE exam could be so easy until I meet CBDE exam dumps, really helped me a lot, thanks.
Abigail
This dumps is worthy to buy. I pass exam. Certainly it is latest. very useful. If you want to pass exam I advise you to buy.
Meredith
I passed my exam using 2Pass4sure dumps for the CBDE exam. Must say they help a lot in understanding the questions well. Thank you 2Pass4sure.
Silvester
Your BTA Certified Blockchain Developer - Ethereum exams rock!!
Good job.
Norman
Instant Download CBDE
After Payment, our system will send you the products you purchase in mailbox in a minute after payment. If not received within 2 hours, please contact us.
365 Days Free Updates
Free update is available within 365 days after your purchase. After 365 days, you will get 50% discounts for updating.
Money Back Guarantee
Full refund if you fail the corresponding exam in 60 days after purchasing. And Free get any another product.
Security & Privacy
We respect customer privacy. We use McAfee's security service to provide you with utmost security for your personal information & peace of mind.
