LENNARD EVERTZ
BUILDING THINGS ON THE NEW INTERNET
Neowallet for Bitcoin, Lightning, euros, dollars and stablecoins. The card and the bank account are self-custodial too, and the keys sit behind a passkey: no password, no recovery phrase. Human-readable identity as username@nuri.com and username.nuri.eth. Over MCP, ChatGPT, Claude and other assistants can prepare or execute anything the app can do, under permissions you set. Web, iOS, Android and MCP.
VISIT →Creator monetization platform — browser extension, cross-chain payments, trading co-pilot, prediction market research. 500k+ transactions processed. Led a team of 5-7 technical contributors over 4 years.
VISIT →Free accounting software with a free business bank account for German freelancers — invoices, EÜR, USt-Voranmeldung via ELSTER, bank reconciliation. Full native apps for macOS, Windows and Linux. No cloud, no subscription.
VISIT →Portfolio & watchlist tracking with end-to-end encryption. Syncs across all devices.
VISIT →Clean, minimal recipe viewer. No ads, no popups, just recipes. PWA for offline access.
VISIT →Starter template for building PWAs with Claude. Includes service worker, manifest, and best practices.
VISIT →Modern flashcard app with AI voice tutor. Spaced repetition and smart review scheduling.
VISIT →Select the countries you've visited and view your travel stats. Interactive world map with a scratch-off aesthetic.
VISIT →Classic arcade games including Pong, Snake, Breakout, and Space Shooter. Built with vanilla JS and canvas.
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Co-founder of Nuri, a self-custody Neowallet for Bitcoin, euros and stablecoins. Before that co-founded IDRISS (2022–2026). Physics & Management (Ulm) → Business Intelligence and Analytics (Stevens, US) → Web3 since 2017. Building wallet and key infrastructure where AI meets crypto. Based in Berlin.
A novel data-driven approach to extract companies' future skills using social media analytics
End-to-end text mining pipeline: data collection, preprocessing, neural word embeddings (Word2Vec, FastText), semantic similarity matching via Distributed Dictionary Representations. Built to classify skills from unstructured German social media corpus.
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