How good are you at Solidity Development?
Take our quiz to test your knowledge and find your dream job.
To experienced Solidity developers and auditors, we offer a certificate that proves your skill in the matter
DeFi developers and auditors are actively looking for Smart Contract Security Auditors. These jobs pay handsomely and offer benefits, while DeFi specialists are in high demand. Prove your worth with our certification and land a great job.

HashEx Academy certification is based on the results of a test, created by HashEx developers. The test consists of 100 questions that reflect the technical knowledge a Solidity developer must possess. Solidity test helps determine your skill level, and getting this certificate will prove your capabilities in the matter.
About us
5+ years of successful experience in blockchain security. A team of 20 people including developers and auditors. We audit and develop smart contracts in EVM-compatible networks as well as Solana, Near, etc.

700+ smart contracts audited

$2.5 billion investor funds secured

2,200+ customers and partners
Our trusted partners
If you are interested in a partnership, feel free to contact us.
Test Your Solidity Knowledge
A Solidity developer uses Solidity language to build smart contracts and decentralized apps. This skill helps developers to create and launch projects on Ethereum and compatible blockchains.
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To pass the test, you have to score more than 80%
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If you fail, you can retake the exam after 24 hours
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The maximum number of retakes is one
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If you fail to acquire 80% points even after two attempts, you need to contact us to get assistance in clearing the exam
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Test time 40 minutes
Certification cost: $500
Find out how to get a personal discount
How well do you know Solidity?
This is an introductory quiz meant to determine your level of understanding of the Solidity language and smart contracts.
Free Quiz
Do you know the basics of the language?
This quiz does not reflect your actual level of knowledge, for a more detailed overview please contact HashEx Academy.
Take the quiz
How many weis in 1 Ether? Select the number after square root 10√?
Right!
Nope!
Nope!
Nope!
Next
Check
Show results
How is the public key generated?

Nope!
Right!
Nope!
Next
Check
Show results
Which parameter does not include an Ethereum transaction?
Correct!
Nope!
Nope!
Nope!
Nope!
Next
Check
Show results
How can one generate a secure random in a smart contract?
Nope! 
Nope!
Correct!
Nope!
Next
Check
Show results
Can the block.timestamp value be manipulated by the miners?
Nope!
Nope!
Right!
Nope!
Next
Check
Show results
Your Solidity skills could certainly be improved. We can help you with that. We admire your enthusiasm though!

To participate in the draw for a free certification voucher, share your result on social media and send a link to our telegram
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You did well, but your skills could use some polishing! 
Get a 10% discount on Certification with the promo code HSX2022.
To participate in the draw for a free certification voucher, share your result on social media and send a link to our telegram
Restart
Great job! You know your way around Solidity!
Get a 10% discount on Certification with the promo code HSX2022.
To participate in the draw for a free certification voucher, share your result on social media and send a link to our telegram
Restart
FAQ
Is the HashEx Academy Certificate Prestigious?
Our development team has a solid background in programming: professional degrees and at least 6 years of experience in blockchain. HashEx is trusted by the most credible companies in the market, while our certification program was developed by the best, most skilled members of the team. So, yes, it certainly is.
What programming languages are smart contracts implemented in?
Solidity is the most popular language. It’s an object-oriented and statically-typed language for programming. Rust language allows developers to build high-throughput applications, all thanks to its efficient design. Other examples include JavaScript, Vyper, Yul, FunC, and more. New programming languages appear depending on the needs of developers.
Why should I become a Solidity developer?
Solidity developers are in high demand due to the increasing popularity of blockchain in general, and Ethereum in particular. Being the most widely used language for smart contracts development, Solidity certainly draws the attention of many companies and projects. Solidity developers have no difficulty finding an application for their skills, and knowledge of this language can help with creating their own dApps.
Which languages and libraries will be used in the exam?
Test for solidity developers includes several languages and libraries.
For smart contracts, we use Solidity, Truffle, and Ganache. While Web3, Javascript, React & Drizzle are used for integration with the front-end.
Can I find a job in blockchain development if I get solidity certification?
Yes! For a blockchain developer, the certificate works as a confirmation of Solidity skills. It will have a positive impact on an interview when applying for a job.
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HashEx US, LLC
16192 COASTAL HWY LEWES DE 19958, USA
Email: academy@hashex.org