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Certified Blockchain Developer - Ethereum (CBDE)

Exam Cost: $300.00


The Certified Blockchain Developer - Ethereum (CBDE) exam is an elite way to demonstrate your knowledge and skills in this emerging space.  Additionally, you will become a member of a community of Blockchain leaders. With certification comes monthly industry updates via email and video.

The CBDE exam is a 70 question multiple-choice exam that lasts 1.5 hours and is performance-based evaluation of Ethereum Development skills and knowledge.  Internet access is not provided during the exam, nor is any course material or study guides.


  • Software Engineers
  • Programmers
  • Developers
  • Application Architects

Skill Set

A person who holds this certification demonstrates their ability to:

  • Plan and prepare production ready applications for the Ethereum blockchain
  • Write, test, and deploy secure Solidity smart contracts
  • Understand and work with Ethereum fees
  • Work within the bounds and limitations of the Ethereum blockchain
  • Use the essential tooling and systems needed to work with the Ethereum ecosystem
This exam will prove that a student completely understands how to:
  • Implement web3.js
  • Write and compile Solidity smart contracts
  • Create secure smart contracts
  • Deploy smart contracts both the live and test Ethereum networks
  • Calculate Ethereum gas costs
  • Unit test smart contracts
  • Run an Ethereum node on development machines

Exam Process

This exam is a 70 question multiple-choice exam that lasts 1.5 hours and is a performance-based evaluation of Ethereum Development skills and knowledge. Internet access is not provided during the exam, nor is any course material or study guides.

    Scores and Reporting

      Official scores for exams come immediately following the exam from Pearson VUE. A passing score is 70%. Exam results are reported PASS/FAIL and you will be provided your percentage. Blockchain Training Alliance does not report scores on individual items, nor will it provide additional information upon request.

         Exam Retake Policy

        • Students who fail must purchase a new exam voucher to test again
        • A student who does not pass an exam must wait at least 48 hours to retake the exam
        • A student must wait 14-days for each subsequent attempt
        • A student who has passed a certain exam may not take the same exam (defined as an exam of the same version with the same exam number) again within 12 months of when the exam was passed. A student who wishes to take the exam again in order to re-certify may do so after the 12-month period.


        My certificate has my name spelled incorrectly, how can I get this fixed?

        Send an email to Be sure to include the correct spelling of your name and copy of government issued ID.

        How often are changes made to the exam?

        Blockchain Training Alliance has an obligation to its membership to maintain the relevancy of its credentials; exams are routinely updated and may happen as often as once a month. These enhancements are the result of a rigorous, methodical process we follow to routinely update its credential exams.

        How often do I need to Recertify?

        Your certification expires two years to the date you take and pass the exam.

        I lost my coin, can I be issued another one?

        Please contact to request a new coin and holder. There is a $35 charge for a new token.

        I never received my certificate in the mail/or/How long does it take to receive my certificate in the mail?

        Please allow 2-4 weeks to receive your training package, including certification token.



        Exam Details
        Exam Cost: $300 USD
        Number of Questions: 70 Questions
        Pass Score: 70%
        Time Allotted: 90 minutes to complete exam
        Exam Language: English
        Exam Expiration Date: One Year from Purchase
        Exam Format: Online
        About BTA certification: View Our Exam Board
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