Engineer
of onchain
systems.

I'm David Potolski — a senior blockchain engineer and technical lead. 8+ years shipping crypto wallets, smart contracts and DeFi protocols across multi-chain ecosystems — custodial and non-custodial browser-extension, on EVM and UTXO chains. Core Technical Lead at Syscoin, co-founder of Kmino — a product studio building our own things in Web3, Fintech and AI, with AI-assisted engineering embedded in every step.

Capital covered

$20M+

Years in industry

8+ yrs

Based

Florianópolis / BR

David Potolski presenting Lunos at Devcon

portrait / devcon 2025david · Pitching to investors

02 / nextWorkThe full timeline — 8+ years across Kmino, Syscoin, Lunos, Clevertech, Brick Abode and more. Plus certifications & awards.6 companies·AI-assisted delivery↗03 / nextAboutBio, photos from hackathons, conferences and mentoring sessions, and a closer look at what I actually work on.bio·events·off-keyboard↗04 / nextContactEmail, LinkedIn, GitHub and the full CV in PDF. If you're building something ambitious, reach out.email·linkedin·cv.pdf↗

// selected projects

Shipped.

all work →

SP/01

Pali Wallet

Non-custodial wallet (browser extension + mobile) for the Syscoin multi-chain ecosystem. Owned the Chrome MV2 → MV3 migration.

2023–nowwallet · MV3 · multi-chain

SP/02

Custodial Wallet (Clevertech)

Hired to design and build a custodial wallet for a flagship NFT client — defined the specs end-to-end

2022–2023custodial · node.js · keys

SP/03

Lunos

Smart-contract architecture for decentralized risk management. $20M+ in underwriting capacity, with EigenLayer AVS integration.

2024–nowsolidity · defi · avs

SP/04

Pegasys.fi & zkSYS

DeFi protocol engineering on Pegasys.fi (Uniswap v3 + Aave forks) and coordinated the zkSYS testnet launch on Syscoin & Rollux.

2023–nowamm · lending · zk

Want the long version?
The CV is one click away.

contact & cv →