The CBSA (Certified Blockchain Solutions Architect) exam is a Blockchain Training Alliance (BTA) certification with 70 multiple-choice questions, a 90-minute time limit and a 70% passing score. It is taken online through the BTA Student Portal, the exam voucher costs $275 USD, and the certification is valid for two years.
The CBSA exam proves you can architect blockchain solutions, choose the right blockchain system for a use case, and work with both public and permissioned blockchains. It is a performance-based exam, so questions reflect what you would do on the job.
TroyTec's CBSA practice exams include 229 questions and answers. You can practice in PDF or in the Online Test Engine before you launch your exam.
Vendor : Blockchain Training Alliance (BTA)
Exam code : CBSA
Certification : Certified Blockchain Solutions Architect
Number of questions : 70 multiple-choice
Time limit : 90 minutes
Passing score : 70%
Exam voucher : $275 USD
Delivery : Online, launched from the BTA Student Portal
The CBSA exam has no official numbered sections or percentage weightings. Instead, BTA lists the topics the exam proves you understand:
The difference between proof of work, proof of stake and other proof systems, and why they exist
Why cryptocurrency is needed on certain types of blockchains
The difference between public, private and permissioned blockchains
How blocks are written to the blockchain
Where cryptography fits into blockchain and the most commonly used systems
Common use cases for public blockchains
Common use cases for private and permissioned blockchains
What is needed to launch your own blockchain
Common problems and considerations in working with public blockchains
The technology behind common blockchains
When mining is needed and when it is not
Byzantine Fault Tolerance
Consensus among blockchains
Hashing
How addresses, public keys and private keys work
Smart contracts
Security in blockchain
A brief history of blockchain
The programming languages of the most common blockchains
Common testing and deployment practices for blockchains and blockchain-based apps
Skills a CBSA holder demonstrates:
Architecting blockchain solutions
Working effectively with blockchain engineers and technical leaders
Choosing appropriate blockchain systems for different use cases
Working with both public and permissioned blockchain systems
BTA lists the CBSA audience as consultants, programmers and developers, university professors, software engineers, CEOs, CTOs and CIOs, and government officials.
How the exam runs:
After you buy the voucher, the exam appears in your BTA Student Portal under the Exams tab.
You start it with the "Launch Exam" option, and you cannot exit once it begins.
You have 90 minutes for 70 multiple-choice questions.
Your PASS/FAIL result and percentage appear as soon as you finish. BTA does not report scores for individual questions.
Recertification: the CBSA is valid for two years from the day you pass. The recertification exam has 30 multiple-choice questions and lasts one hour, with no internet access or course material allowed.
The CBSA exam has 70 multiple-choice questions. You have 90 minutes to complete it.
The passing score is 70%. Results are reported as PASS or FAIL with your percentage, right after the exam.
The CBSA exam voucher costs $275 USD, or $499 USD with BTA's prep course.
The CBSA certification is valid for two years from the day you pass. The recertification exam has 30 questions and lasts one hour.
Yes. You launch the CBSA exam from the BTA Student Portal, and you cannot exit it once it begins.
The CBSA is for consultants, programmers and developers, university professors, software engineers, CEOs, CTOs and CIOs, and government officials.
Yes, but you need a new exam voucher, and you must wait at least 48 hours before retaking it.
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Everything you need to know about the BTA CBSA Exam: Certified Blockchain Solutions Architect Practice Tests certification
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Updated October 18, 2026
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