Nader Cserny

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Editions are live — Post · 26-09-14. Every front page I draw now keeps its own URL, so a new one can go up any time without moving the one everybody land… The cost of micromanaging an AI — Post · 26-09-14. A meme about the three price tiers of letting an agent work, how fast the tokens add up once you start going back an… How I optimized Page Speed and improved AIO — Post · 26-09-13. Ten years of this site, from a WordPress blog to a single Bootstrap page to Astro, and the two evenings where Claude… Ponte 25 de Abril — Post · 26-09-07. The underside of Lisbon's Ponte 25 de Abril at golden hour. German insolvencies: a map, and tools for agents — Post · 26-09-06. The German insolvency ledger is up to 65 companies and 36,645 jobs, and now has a map of where the failures fall plu… The shrinking of critical thinking — Post · 26-09-05. GPT-6 is out and the interesting question is not what it can do. It is what is left for us to do, and where value co… Sweet Sixteen — Playground · Audio. Twelve pastel circles on one scale, and a sixteen-bar loop that keeps what you play Humanoid supply chain — Playground · Data. What a robot is actually made of, and who supplies each part C’est Claude!? — Playground · AI. Highlights the Claude tags and invisible characters hiding in any text Germany bites the dust — Playground · Data. Recent German insolvencies, newest first, and the jobs behind them Coldcard money map — Playground · Data. Where the Bitcoin taken in the Coldcard hack actually went superandom — Playground · Tool. Randomness harvested from the user, folded with CSPRNG The Keywright — Playground · Game. Roll five dice, get one key out of 7,776, and the door it opens Warp_Seq — Playground · Audio. Beats'n'Glitches sequencer to play, construct and share Floaty — Playground · SaaS. Promo widget turning traffic into customers Domain Age Check — Playground · Tool. Instant domain registration & expiry check for humans and agents Leverage Trading Calculator — Playground · Finance. Calculate potential profit/loss Promptly.build — Playground · AI. Community library of ready-made AI prompts Citrea Transactions Export — Playground · Blockchain. Export your on-chain history for tax season ChoreStars — Playground · App. Chore app for kids, rewards, and family routines World Expo Pavilions Tracker — Playground · App. Track your journey through all the amazing pavilions BlockGuard — Playground · Blockchain. Identify malicious addresses and spam tokens AI Wars — Playground · Game. Game - dominate the artificial intelligence industry ChainScanner — Playground · Blockchain. Fast and low-memory blockchain scanner firing webhooks PEPE memes — Playground · Archive. Every form the internet gave the green frog Mirror 26.6.26 — Art. Particles that briefly spell the symmetric date 26.6.26 Lemons from Antarctica — Art. Luxurious ‘Glacier Gold’, the (im)possible icy citrus Clawn — Art. Living art that rewrites itself every hour through OpenClaw Drift — Art. Generative motion piece exploring calm, drifting forms ABEBLA — Art. Satirical visual series on corporate buzzword overload Red Candles — Art. Markets are bleeding, inspired from trading candles SprinG — Art. Playful composition of bouncing, spring-like shapes RGBsquares — Art. Minimal grid of shifting colours and pixel-perfect rhythm Colorama — Art. Color studies blending gradients, noise and geometry SKINSINK — Art. Wear a piece of art. Curated, unisex, eco-friendly. h_e_a_d_c_r_a_s_h — Art. Corrupted Verdana from a spinning disk crash

Posts 6 Playground 19 Art 11

Hover a circle to catch it — it stops, says what it is in the middle, and rings. The grey one is the sound.

Analytical product guy. I help teams ship agentic AI products and on-chain infrastructure, from strategy through design, code and launch. Everything above is something I wrote, built or drew; everything below is the same, holding still.

Posts

Playground

Art

Sweet Sixteen

The circles here ring a note when one is caught, and that one detail is what I kept coming back to. So I built the instrument it was hinting at: twelve circles on a single pentatonic scale, three voices, and a sixteen-bar loop that keeps whatever you play into it and plays it back.

Play it

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