Download Blockchain : CBDE Questions & Answers as PDF & Test Software
Last Updated: Aug 27, 2026
No. of Questions: 102 Questions & Answers with Testing Engine
Download Limit: Unlimited
Reliable & Actual Study Materials for CBDE Exam Success
Our Online Test Engine & Self Test Software of TestSimulate CBDE actual study materials can simulate the exam scene so that you will have a good command of writing speed and time. Then multiple practices make you perfect while in the real Blockchain CBDE exam. The package practice version will not only provide you high-quality CBDE exam preparation materials but also various studying ways.
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Blockchain CBDE Practice Q&A's
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Blockchain CBDE Self Test Engine
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Everyone studies differently, which is why TestSimulate offers Blockchain BTA Certified Blockchain Developer - Ethereum preparation in three formats: a printable PDF, a desktop test engine, and an online test engine. Whichever you choose, you work with the same 102 practice questions built around the CBDE exam.
Blockchain CBDE Exam Overview:
| Certification Vendor: | Blockchain Training Alliance |
|---|---|
| Exam Name: | Blockchain Training Alliance Certified Blockchain Developer - Ethereum (CBDE) Exam |
| Exam Number: | CBDE |
| Related Certifications: | Certified Blockchain Solutions Architect (CBSA) |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Recommended Training: | Blockchain Training Alliance CBDE Training |
| Exam Registration: | Blockchain Training Alliance Certification Registration |
| Sample Questions: | Blockchain CBDE Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | Recommended understanding of blockchain concepts and basic Ethereum development experience. |
| Official Syllabus URL: | https://blockchaintrainingalliance.com/certifications/cbde |
Blockchain CBDE Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Development Tools & Frameworks | - Deployment and migration workflows - Truffle, Hardhat, and testing frameworks |
| DApp Development | - Frontend interaction with smart contracts - Web3 integration |
| Security and Best Practices | - Smart contract vulnerabilities - Secure coding practices |
| Smart Contracts Development | - Solidity programming fundamentals - Contract structure, functions, and modifiers |
| Ethereum Fundamentals | - Accounts, transactions, and gas model - Blockchain architecture and Ethereum ecosystem |
CBDE Exam FAQ: What to Know Before You Book
The CBDE exam, officially titled BTA Certified Blockchain Developer - Ethereum, is the qualifying exam for the Certified Blockchain Developer - Ethereum certification, which sits at the Professional level. Earning it shows employers that you have the skills the credential stands for, and it is a solid step forward on a Blockchain career path. It also connects to Certified Blockchain Solutions Architect (CBSA), so the effort you put in now keeps paying off as you advance.
According to the official requirements: Recommended understanding of blockchain concepts and basic Ethereum development experience.. Eligibility rules do change from time to time, so confirm the current details on the official exam page before you register.
Registration for the CBDE exam is handled through the official channels below:
The exam is delivered in the following format: Online proctored exam. Pick a date that leaves room for at least one full timed practice test beforehand.
Blockchain recommends the following official training options for candidates preparing for Blockchain BTA Certified Blockchain Developer - Ethereum:
Courses build the foundation, but they work best alongside question practice. That is where TestSimulate comes in: the 102 practice questions in our CBDE package let you rehearse the exam format at your own pace and see exactly where you stand.
Yes — TestSimulate offers a free PDF demo of the Blockchain BTA Certified Blockchain Developer - Ethereum material, so you can review the question style and answer quality before you spend anything. After purchase, you also receive 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
If you take the corresponding exam within 60 days of your purchase and do not pass, you are covered by the 100% Money Back Guarantee under clear conditions. To claim a full refund, submit a scan of your exam enrollment slip and your official Score Report PDF within two days of the exam; requests are processed within seven days. Note that sitting the exam within three days of purchase is not eligible, purchases that were never followed by an exam sitting do not qualify, free materials and expired orders are excluded, and the candidate name must match the payer name. Prefer an exchange instead? You can swap your product for two free exam packages of equal value and keep your update service. Delivery is immediate: your CBDE material is ready for instant download and is also emailed to you within one minute of payment — contact customer service if nothing arrives within two hours. There is no limit on the number of computers you can install it on.
The current Blockchain BTA Certified Blockchain Developer - Ethereum syllabus is organized into 5 exam domains. The first three are:
- Ethereum Fundamentals
- DApp Development
- Security and Best Practices
For the full domain and subtopic breakdown, see the Exam Topics section above — that is the outline your TestSimulate practice questions are mapped to.
Blockchain BTA Certified Blockchain Developer - Ethereum Sample Questions:
Question 1
Smart Contracts:
A. are having the same address as the EOA.
B. the address of the smart contract is a random address which gets generated by the miner who mines the contract-creation transaction.
C. are always living on the same address, because the blockchain is deterministic. So, one account can always have one smart contract.
D. are sitting on their own address. The Address is created from the nonce and the EOA address and could be known in advance before deploying the smart contract.
Question 2
In order to implement an ERC20 token contract, you'd need at least to implement the following functions and events in order to fulfill the interface requirements:
A. name(), symbol(), totalSupply(), balanceOf(address), ownerOf(uint26),approve(address,uint256), takeOwnership(uint256),transfer(address,uint256),Events: Transfer(address,address,uint256), Approval(address,address,uint256)
B. totalSupply(), balanceOf(address), allowance(address,address), transfer(address,uint256), approve(address,uint256), transferFrom(address,address,uint256). Events: Transfer(address,address,uint256), Approval(address,address,uint256)
Question 3
On a consortium network:
A. usually only a few selected nodes can be miners. Transactions can be further limited.
B. everybody can become a miner, everybody can send transactions and everything is public.
Question 4
A Private Network is:
A. a side Channel to the Ethereum Main Net which costs less gas to run smart contracts.
B. an exact clone of the Rinkeby Test-Network which can be started as virtual machine in the Azure Cloud.
C. a Network running only in a private area, where people cannot join freely and openly.
Question 5
Consensus is reached:
A. by the miner nodes which make sure that a transaction is valid.
B. by every single node in the blockchain network executing the same transaction.
C. by a cryptographic secure signature algorithm called ECDSA which makes sure that cheating is impossible.
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: B |
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