ZARN Cryptography Solutions

FinTech and Blockchain for Your Business

About ZARN

I am Stefan Crnojević, founder of ZARN Cryptography Solutions. I've been doing cryptography, mathematics, and computer science research for 8 years now. Since 2015 I've been focusing extensively on blockchain and financial technology.I've architected, led, and implemented multiple projects in these areas.

Tell us about your product, use cases, and what you need. We'll take care of the rest.

Engineering Services

Centralized Financial Services

Bidding, Matching, or Trading Engines

The most advanced financial software made to fit your business

Custom Cryptography Solutions

For a broad range of security problems - tell us yours!

Identity, Voting, and Supply Chain Management

Leveraging private blockchain consensus with Hyperledger

Decentralized Financial Services

Smart Contracts and Tokenization

For use cases on Ethereum, EOS, Waves, NEO, etc.

Custom Blockchain Solutions

Bitcoin, Litecoin, and Altcoin codebase modifications and maintenance

Initial Coin Offering (ICO) and Crowdsales

Offering engineering help and business advice on launching decentralized securities

Escrow Services

We have proven integrity and track record in handling sensitive cryptocurrency-related transactions, up to 9 figure equivalents in USD. We apply cutting-edge methods of doing anti-money laundering (AML) and know your customer (KYC) specially designed for blockchain technologies. Whether an ICO escrow or an over-the counter (OTC) trade, we provide all the security protocols required for high-volume transactions.

Write us a letter, you can contact us at any time


Does my business really need the services of ZARN?

Contact us (form below) and find out. Our first consultation is 100% free.

Does my business need a new blockchain?

More often than not, the answer is no. There are many examples where executives uninformed about blockchain believe their solution needs to more complex than it actually does. In our experience, most projects will need a cost-effective solution such as tokenization or a smart contract.

Can you build an exchange or bidding engine for my business?

We have been working and refining our own proprietary formulas in these areas for years, and have learned from many different use cases, production environments, and battle-tested experts. We can license to you our service, or adapt to your unique specifications - everything is negotiable.


Tell Us What You Need