Blockchain Development
End-to-end blockchain and Web3 product development.
We build full-stack blockchain products — smart contracts, DeFi protocols, NFT platforms, DAO infrastructure, crypto wallets, and Web3 integrations. Our team covers Solidity, Rust/Solana, and all major EVM chains including Ethereum, Polygon, Arbitrum, and BNB Chain.
Cases
View all cases →VK NFT Marketplace
Designed and developed the smart contract infrastructure and web frontend for VK's NFT marketplace — one of Russia's first enterprise-grade NFT platforms. Delivered ERC-721/1155 contracts, minting mechanics, royalty splits, and a creator dashboard integrated with VK's social graph.
DeFi Lending Protocol
Decentralized lending protocol with dynamic interest rates, collateral management, and automated liquidation logic — $8M TVL at peak, fully audited with zero critical findings on Ethereum mainnet.
Senior Solidity Developer → Swiss DeFi Protocol
Provided a senior Solidity engineer to a Geneva-based DeFi team for smart contract development and security hardening of a cross-chain yield aggregator with $25M TVL.
DeFi Yield Aggregator
Automated yield optimization protocol with smart contract vaults, multi-DEX routing, and auto-compounding strategies. Deployed on Ethereum and Polygon with $12M TVL at peak.
NFT Launchpad Platform
Full-featured NFT minting platform with allowlist management, Dutch auction mechanics, royalty enforcement, and secondary market integration — used by 50+ collection launches.
Cross-Chain Decentralized Exchange
DEX with cross-chain swaps via LayerZero bridge, concentrated liquidity pools, and on-chain limit orders. Live on Ethereum, Arbitrum, and BNB Chain with $30M daily volume.
Multi-Chain Non-Custodial Wallet
Non-custodial wallet supporting Ethereum, Solana, BNB Chain, and Polygon with DApp browser, built-in swap aggregator, and hardware wallet (Ledger/Trezor) support.
Solana GameFi Platform
Blockchain gaming platform on Solana with in-game NFT assets, token rewards, guild mechanics, and on-chain game state using Anchor framework — 50k DAU at peak.
DeFi Protocol Smart Contract Audit
Comprehensive security audit of a $50M TVL lending protocol — manual Solidity review, Slither/Echidna scanning, and economic attack analysis. Identified 3 critical issues including reentrancy and price manipulation vulnerabilities.
Cross-Chain Bridge Smart Contract Audit
Audit of a cross-chain bridge with $30M locked — discovered critical message validation flaw that could have enabled unlimited token minting before mainnet deployment.
Discuss Your Project With Our Team
We'll assess your requirements and propose the right approach, team structure, and timeline.
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