The only cryptocurrency exchange you will ever need

A seamless trading experience with long-term profit both to brokers and holders.

Watch Sonata video
Watch Sonata video
61 seconds
trading on

About the product

Sonata was created in cooperation with experienced exchange brokers and Forex analytics.

Our product is built with security as the highest priority. All coins are securely stored on cutting-edge hardware wallets. The user-friendly interface of Sonata is fine-tuned for beginners and skilled brokers alike. It is packed with advanced functionality, including custom AI price prediction. We know our customers love social interaction and so do we. Use the full potential of chat rooms on the platform and learn directly from expert brokers.

More information Try it now
app preview

Invest and earn your money back

We have created intriguing ways to reward our users both short-term and long-term

1 Fees go back to investors

We will have lower fees than most exchanges on the market. In addition, if you participate in our coin offering, you can receive passive income from the exchange fees.

Find out more

Trading fees
Exchange fees
schema lines
80% to investors (SONT token owners)
20% to (platform development)

2 Income from margin trading

Even cryptocurrency holders can multiply their investments with Sonata. The platform will offer margin trading based on market-driven interest rates. Clever automatic pairing and closing algorithm is ready to secure both sides of the contract.

Find out more

Trading fees
Loan interest
schema lines
80% to investors (SONT token owners)
20% to (platform development)

Main features

Everything you need from a reliable mature platform

icon - Perfect security

Perfect security

We are committed to secure all your investments on multiple levels. You can focus on your business without worry.

icon - Build to perform

Built to perform

Our designers have spent hours analyzing the user experience of professional brokers to build a truly distraction free interface.

icon - AI prediction

AI prediction

Sonata is using real-time market data and an advanced AI algorithm to predict future price trends. It offers a great start for beginners.

icon - Margin trading

Margin trading

Margin (leverage) trading is an expert tool used to level up the order income. The lender is rewarded with the interest.

icon - Social network elements

Social network elements

Take a part in the buzz of cryptocurrency trading. Join rooms, send tips to other brokers or learn from the experts.

icon - Friendly API

Friendly API

Sonata will provide a fully documented customizable API for your robots and other apps.

White paper

Everything explained in one handy document


Meet the team behind the product

icon lin
Eduard Sedlmajer
CEO, investor
Stock and derivatives trader, investor. More than 22 years ago established a company that is a member of Prague Stock Exchange. Bought two investment companies and is active in the financing business since. Loves crypto, yoga and gardening.
icon lin
Jakub Langr
Project director
Started 15 years ago as a freelance web designer. Founder and project director of successful digital agency Inovativ. Created 100+ projects during his career. Helped to design a few blockchain-based platforms and projects since 2014.
icon lin
Radim Bastan
Public relations manager
PR & content manager. Worked as an editor for the largest Czech ecommerce retailer Coordinated development and content strategy for 20+ projects as a product and project manager.
icon lin
Tomas Prochazka
Sales Manager
10 years of experience in online marketing. Almost 3 years worked for digital marketing agency Vceliste. Co-authored first Czech book on content marketing. Fan of asian culture and food.
icon lin
Jan Sedlacek
Lead backend programmer
Back end developer. Spent last 15 years programming for international companies. His most notable recent work was for live streaming platforms and for global IoT startup Energomonitor.
icon lin
David Stuller
Lead frontend programmer
Full stack developer with main focus on front end. More than 15 years of programming experience. Big fan of JavaScript frameworks and asynchronous programming. Proficient in React, Node.JS, Redux and MobX.
Martin Bus
Senior designer
Creative mind, artsy soul. For the last 10 years, Martin supplies big and small companies alike with his web and product design. Loves human-centered design and minimalist UI.
Petr Polanka
Specialises in international and business law. Provides legislative guidance and makes sure we are compliant no matter what.
icon lin
Vitezslav Hungr
Executive Strategist
Director of real estate fund with Czech National Bank license. Expertise in strategic planning and company management.
icon lin
Jaroslav Cehovsky
Security Specialist
Security engineering graduate. Reviewed security of multiple multinational corporations: IKEA, Nestlé or LEGO to name just a few of them. Crypto and blockchain enthusiast.
icon lin
Petr Nemecek
Blockchain Expert
IT expert. Specializes in mainframe systems and software for financial operations. Worked for many global companies, including IBM. Petr follows blockchain and DLT-related information for more than 10 years.
icon lin
Silvie Odehnalova
Marketing and Communications
11 years in Solidní finance a.s. makes Silvie our most loyal employee. Silvie is the all-rounder of our team - qualified in accounting, advertising and marketing, also interested in psychology.
icon lin
Renata Hadravova
Marketing and Public Relations
Head office manager. Coordinates economical and legal relationships of Proficient in marketing a PR management.


External foreign market and STO experts

Tomas Horak
Exchange expert
Forex and exchange trade expert. Worked as and advisor for individuals and companies. Asset manager with long years of experience and admirable success ratio.
icon lin
Marek Bocanek
Exchange analyst
Forex lawyer and exchange specialist. Marek is focused on business case development and international expansion. Has spent last few years working in the fintech industry.
icon lin
Ernest Chuang
3 years of experience in blockchain & cryptocurrencies. Worked with 15+ blockchain startups as marketing & PR Manager / adviser.
icon lin
Bobby Barone
Former Financial securities adviser. Has worked with 70+ different blockchain startups. Community management expert.
icon lin
Lukas Konecny
Member of, studies top 100 crypto projects. Analysed more than 50 % of them. Created probably the first free Czech course for novice crypto traders.
icon lin
Jason Coles
Experienced blockchain adviser, having helped over 75 different companies develop and release their own cryptocurrency.


Providers of financial support, know-how and human resources

Main investor
Solidni Finance a.s.

The company was established as a fund in 2010. Our previous companies which were founded in 1994 were later merged into this company. We had many different areas of business interest as a member of the Stock Market. We are actively involved in trading with commercial documents like company shares and derivatives. Nowadays, we are interested in cryptocurrency.

Coinmag inovativ Tetreta Agency Finpatex Group

Blog posts you might like

Find out what is happening behind the scene