David Potolski Lafetá Founder @ Kmino • Core Manager @ Syscoin
Blockchain expert in EVM and UTXO chains, DeFi, ZK, and high-assurance smart contracts
Solidity • Move • UTXO • EVM • ZK • DeFi
About Me
I’m the Founder of Kmino and Core Manager at Syscoin. I design, ship, and scale production-grade blockchain products across UTXO/EVM stacks, L2s and ZK systems. My work spans protocol design, DeFi markets, wallets, and on-chain identity, with deep experience in Solidity/Move, rollups, and performance-focused architectures.
Work Experience
Founder - Remote
Founded Kmino, an engineering studio delivering fullstack, Web3/smart contract, and AI solutions Engagements include product builds, senior pods (staff augmentation), and advisory sprints Lunos DAO August 2024 - Present
Tech Lead - Dubai, UAE
Led the redesigning of the core smart contract architecture Enhanced scalability, security, and interoperability while optimizing gas efficiency Built automated, trustless coverage solutions that protect digital assets across the blockchain ecosystem Core Manager - Dubai, UAE
Oversaw internal team coordination, resource allocation, and strategic tracking across development initiatives Aligned technical workstreams, optimized resource distribution, and maintained visibility on high-priority projects Led the development of zkSYS, Syscoin's first Edgechain built with zkRollup technology Pollum May 2023 - May 2025
Tech Lead | Project Manager - British Virgin Islands
Developed KYC solutions and built DID implementations for on-chain primary and secondary sales Led smart contract development for UnoRe and managed Pegasys.fi DeFi protocol (Uniswap v3 fork) Managed development of Pali wallet, a successful crypto wallet extension Clevertech August 2022 - March 2023
Software Engineer - New York, United States
Designed and implemented three major smart contract projects deployed to mainnet Developed a proof of attendance NFT system on Polygon for tracking event participation Created an NFT collection with packs and cards system, achieving over 1,400 token mints Built a custodial wallet exclusively for client NFTs using Solidity and Hardhat Brick Abode August 2019 - March 2022
Software Engineer | Project Manager - Salem, Virginia
Led the Epic Cash blockchain upgrade (MimbleWimble implementation in Rust) from v2.17 to v3.0 Implemented NFT support and royalty marketplace features using Solidity (ERC-721 and ERC-2981) Developed core APIs for cryptocurrency asset management, including market data streaming and order management Managed a social media analytics platform maintenance team and led startup planning initiatives Skills & Expertise
Blockchain Development Smart Contracts (Solidity, Move) UTXO & EVM Systems DeFi Protocol Architecture ZK Implementations Development Tools Hardhat Truffle OpenZeppelin Ethers.js