Portfolio

Elrond is a blockchain platform for building applications based on smart contracts. The platform uses the Secure Proof of Stake consensus mechanism, processes 15,000 transactions per second, and solves the problem of the interaction of individual blockchains with each other.

Audit the basic version and prepare the technical documentation on the Secure Proof of Stake consensus for Binance Launchpad IEO. After a successful IEO, the task was to reduce the load on the sharding system. As a result of work at the moment, the load of the nodes is no more than 50%.

BitForex is one of the leading cryptocurrency exchanges in the world. It provides a wide range of trading products, including cryptocurrency trading, spot trading, margin trading, and derivatives.

In 2019, a regulated document was drafted on using "cold" wallets to internalize cryptocurrency assets. An alert system was developed for the "hot" wallets of the exchange and percentage balancers for automatic replenishment from multi-sig wallets.

CoinPayments is a complete cryptocurrency platform for storing and settling Bitcoin and 1200+ other cryptocurrencies. The service is used for everyday operations and accepting payments on third-party sites.

Develop six payment modules: processing payments from POS terminals, automatic reservation of funds, conversion at real-time rates, fiat transactions, acceptance and processing of stablecoins, and storage of cryptocurrency assets.

BRD wallet is a multi-currency bitcoin and altcoin wallet available on iOS or Android operating systems.

As the payment methods increased, the project needed an audit of the security of hot wallets and methods of storing cryptocurrencies. After the audit. It was decided to change from a monolithic architecture to a microservice one.

PerlinX is a decentralized synthetic liquidity pool for decentralized finance (Defi). The project's goal is to support the creation and trading of synthetic assets. Examples are cryptocurrencies, commodities, fiat currencies, and tokens created instead of stocks.

Compile project documentation for the further launch of the IEO on Binance Launchpad. Practical implementation of wavelet transforms in the Proof-of-Stake blockchain to increase throughput.

Fetch.ai is a platform designed to connect Internet of Things (IoT) devices and algorithms to enable collective learning.

Joint development with the Fetch.ai programming team to create the first version of a working node for validators using Cosmos-SDK and their virtual machine for further compilation through WebAssembly.

Kassa.cc is a cryptocurrency exchange. Kassa.cc is one of the best services that allows you to exchange various cryptocurrencies among yourself or withdraw real money (fiat) to bank cards and popular payment systems.

Write a custom cryptocurrency exchange from scratch. Kassa.cc customers wanted to create their exchange without using ready-made solutions that are rich in the cryptocurrency exchange market. As a result of our work, we have gained additional development experience, and our clients have achieved profitable and high-quality projects.

Everipedia is a free-content, public, universal, commercial online encyclopedia powered by the EOS blockchain. Thanks to this, Everipedia became the world's first decentralized encyclopedia, eliminating the possibility of censorship.

Develop and implement IQ token validation and staking modules.

Tycoon acts as an intermediary between professional traders and their potential clients. With the help of a secure API, all trades of experienced traders are tracked in real-time and can be automatically copied by a regular user. Tycoons do not store user funds in their wallets. All interactions take place exclusively through exchange payment gateways.

The initial goal was to optimize and expand the API throughput to connect more trades per trader. In the course of further work, we completely rewrote the copy trading engine and changed the mechanism for the balanced distribution of funds for end users.

Akropolis is a company that operates an Ethereum-based decentralized finance protocol that provides an autonomous financial ecosystem for accumulating and multiplying funds, including borrowing and lending.

After the hack on November 12, 2020, a full audit of the system of smart contracts for loans and lending based on the DeFi protocol was carried out. The Delphi pool algorithm was corrected and changed to automatically average dollar costs in BTC & ETH.

Ethbits is a cryptocurrency exchange with a copy trading function (or copy trades). The ICO was launched on April 15, 2017, and on May 13, it successfully collected 13,644 ETH. After the completion of the ICO, our team began developing a cryptocurrency exchange from scratch.

The first phase was to develop the concept of a cryptocurrency exchange with a copy trading function similar to eToro. After writing detailed documentation, our team made a smart contract and set up payment gateways for buying ERC-20 tokens. The second phase was to develop the exchange from scratch. What was done: unique design, Hot and Cold storage system, Matching Engine FIFO implemented in Erlang, frontend and backend parts of the project.

The third largest bank in Canada in terms of deposits and market capitalization. It serves approximately 20 million customers in 30 countries and offers a wide range of services, including personal, commercial, corporate, and investment banking.

It was required to conduct a detailed audit of the source code of the payment gateways "Global asset management" of the Canadian bank "Scotiabank". In addition, a unique protocol for logging access to system servers was also created, tested, and implemented.

BCB ATM – крупнейший поставщик биткойн-банкоматов в Великобритании.

Building on the success of ATMs in the UK, BCB wanted to create an ecosystem that offers token holders various valuable services, such as discounts and rewards, when using their own Ascend Blockchain, BCB wallet, and exchange services through BCB Arbitrage.

IZEA is a marketing technology company providing software and professional services that enable brands to collaborate and interact with the full spectrum of leading social actors and content creators.

Creation of a unique cryptographic module for secure storage of user data. After successful testing, the module was implemented into the project.

International online poker room.

Initially, 888 Poker needed to audit the desktop version of the client. After the report was submitted, vulnerabilities related to the anti-bot system of the poker room were noticed. Our task was to finalize this system together with the developers of 888 Poker.

Identity verification platform (KYC).

Using our rich experience with user data, documents were drafted on the technical processes for storing and processing user documents for the KYC service. A dynamic system of cluster data distribution has been developed.