Free Certified Blockchain Developer™ - Blockchain Council Exam Questions and Answers
Certified Blockchain Developer™ - Blockchain Council is one of the Blockchain tests covered here. These certificates come from separate for-profit training companies rather than a standards body or industry consortium — despite the institutional-sounding names, neither Blockchain Council nor 101 Blockchains is a regulator, and neither holds ISO/IEC 17024 accreditation. Exams are online multiple choice taken without proctoring.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 7, 2026
- Provider
- Blockchain
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
- Verified answers
- Reviewed weekly
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
What is the primary function of a blockchain network?
Please select an optionIncorrectCorrect answer: A
A blockchain network stores data in a secure and decentralized manner.
Was this answer correct?Question #2
In a blockchain, what does the term "decentralization" refer to?
Please select an optionIncorrectCorrect answer: B
Decentralization means that data is distributed across multiple locations, reducing the risk of failure.
Was this answer correct?Question #3
Which consensus algorithm is known for its energy efficiency?
Please select an optionIncorrectCorrect answer: B
Proof of Stake consumes significantly less energy compared to Proof of Work.
Was this answer correct?Question #4
What is a smart contract?
Please select an optionIncorrectCorrect answer: C
Smart contracts are self-executing contracts with the terms directly written into code.
Was this answer correct?Question #5
Which of the following is a use case of blockchain technology?
Please select an optionIncorrectCorrect answer: D
Blockchain is widely used for enhancing supply chain transparency and traceability.
Was this answer correct?Question #6
What is the purpose of a blockchain wallet?
Please select an optionIncorrectCorrect answer: D
A blockchain wallet is used to store and manage cryptocurrencies securely.
Was this answer correct?Question #7
Which of the following best describes a public blockchain?
Please select an optionIncorrectCorrect answer: A
Public blockchains allow anyone to participate and access the network without restrictions.
Was this answer correct?Question #8
What is the primary role of miners in a blockchain network?
Please select an optionIncorrectCorrect answer: B
Miners validate and verify transactions before adding them to the blockchain.
Was this answer correct?Question #9
What does the term "fork" mean in blockchain?
Please select an optionIncorrectCorrect answer: B
A fork is a change in the blockchain protocol, which may create a split into multiple chains.
Was this answer correct?Question #10
How does blockchain enhance security?
Please select an optionIncorrectCorrect answer: D
Blockchain enhances security through cryptographic techniques that secure data.
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Other Blockchain certifications
- Certified Metaverse Professional (CMP) - 101 Blockchains (opens in a new tab)
- Certified Web3 Professional (CW3P) - 101 Blockchains (opens in a new tab)
- Certified Blockchain Expert™ - Blockchain Council (opens in a new tab)
- Certified Cryptocurrency Auditor - Blockchain Council (opens in a new tab)
- Certified NFT Developer - Blockchain Council (opens in a new tab)
- CBDH: BTA Certified Blockchain Developer - Hyperledger (opens in a new tab)
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FAQ
Learn More: https://www.blockchain-council.org/blockchain-certification/
- Q1: What is the Certified Blockchain Developer™ - Blockchain Council exam?
- A: Certified Blockchain Developer™ - Blockchain Council is a Blockchain certification exam. Judging by the questions in our bank, it concentrates on blockchain, ethereum, consensus, smart and token.
- Q2: What topics does the Certified Blockchain Developer™ - Blockchain Council exam cover?
- A: Questions in our Certified Blockchain Developer™ - Blockchain Council bank cluster around blockchain, ethereum, consensus, smart, token, contract, mechanism and language. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for Certified Blockchain Developer™ - Blockchain Council?
- A: Work through the Certified Blockchain Developer™ - Blockchain Council practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real Certified Blockchain Developer™ - Blockchain Council exam questions?
- A: They are drawn from officially released past questions and from community members who have sat Certified Blockchain Developer™ - Blockchain Council. Answers are verified and updated weekly.
- Q5: Where do I register for the Certified Blockchain Developer™ - Blockchain Council exam?
- A: Register through Blockchain directly at https://www.blockchain-council.org/blockchain-certification/. Exampractice is not affiliated with Blockchain and does not administer the exam.
- Q6: Is there a free Certified Blockchain Developer™ - Blockchain Council sample?
- A: Yes. Every Certified Blockchain Developer™ - Blockchain Council page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Blockchain Certification Exams?
- A: Blockchain Certification Exams validate your expertise in blockchain technology, covering areas such as blockchain development, architecture, security, and business applications. These certifications demonstrate your proficiency in utilizing blockchain for various industry solutions.
- Q8: Why should I pursue Blockchain Certification?
- A: Blockchain Certification enhances your professional credibility, showcasing your skills and knowledge in blockchain technology. This can lead to better job opportunities, higher salaries, and career advancement in the tech, finance, and business sectors.
- Q9: What are the benefits of Blockchain Certification?
- A: Benefits include recognition as a certified blockchain professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest blockchain technologies and best practices.
- Q10: Who should take Blockchain Certification Exams?
- A: Software developers, IT professionals, business analysts, project managers, and anyone involved in developing or managing blockchain-based solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Blockchain Certification Exams are available?
- A: Various organizations offer blockchain certification paths, including Certified Blockchain Developer (CBD), Certified Blockchain Solution Architect (CBSA), Certified Blockchain Professional (CBP), and more, each tailored to different roles and expertise levels in blockchain technology.
- Q12: How do I prepare for Blockchain Certification Exams?
- A: Preparation can include official training courses, study guides, practice exams, online tutorials, and hands-on experience in blockchain development and implementation.
- Q13: Where can I take Blockchain Certification Exams?
- A: Blockchain Certification Exams can typically be taken online, providing flexibility to fit your schedule and location.
- Q14: How do Blockchain Certifications impact my career?
- A: Blockchain Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in technology and business sectors.
- Q15: Are there any prerequisites for Blockchain Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience in blockchain technology. Check the specific requirements for each certification path on the certification provider’s website.
- Q16: How often do I need to recertify for Blockchain Certifications?
- A: Recertification requirements vary by certification provider, but it typically involves continuing education and staying updated with the latest advancements in blockchain technology to maintain your certification.



