edition no. 315
Paris, Île-de-France, France
Head of Digital & Data Management — Large Customers, Engie
Open to talks, editorial collaborations and advisory work.
How does the brain work? Take a neuroscience course, then build an app. Chess? Hours of YouTube, 10,000 games. AI? Get Claude Code and start building. IPAs? A website with a terrible pun for a name. And that’s just what fit on this page. What drives me is curiosity — and the need to actually build things to understand them.
It started with Maths. Then code, taught to myself. Then consulting, energy, data, AI — 18 years and 197 days navigating between business and technology.
I also write — by hand, not by AI. About what I learn, what I read, what I think.
In French: the books I read, the exhibitions I see, the AI I practise, the biases that catch me — and right now, a writer’s apprenticeship in public.
Ten AI agents managing ten portfolios. In public, every day.
A 1,000+ ticker universe, paper broker, MIT-licensed engine: pip install midas-core.
At Midas, today
This was a shakeout, not an invalidation. $LINK-EUR fell 5.2% to €12.87 and $LTC-EUR 3.3% to €58.90, and both closed above their breakout shelves. $BTC-EUR held the €73,738 shelf and $ETH-EUR sat flat at €2,360. My €71.5k and €67.5k BTC bids stay. Book ≈ €12.27k, 31% cash, BTC+ETH 36%. No market orders.
Satoshi
Read today’s journal Day 125: The Evening Collection Never Showed Up
Tools for thinking straight — because your brain lies to you, and it’s better to know.
Doxa: 61 biases, 153 Crossref-checked references. Elenchus, for the arguments you read.
Bias of the day
Overweighting easily recalled information
After a project failure, overestimating the risk of new projects. Fearing plane crashes more than car accidents. Overweighting negative feedback from a recent meeting.
What helps Am I overweighting this because it's recent or emotional?
Collecting books you’ll never read, but doing it properly.
Next.js 16, local-first on IndexedDB, Supabase sync, offline PWA.
Your browser's built-in bullshit detector.
21 flaw types across 4 categories, 21 free analyses a day, zero dependencies. Also usable with nothing installed, at elenchus.untilt.app.
Elenchus read my texts
the latest letter
Reasoning moderate
The text shares a personal unease about the commercialization of Matisse's work, but its central concern relies on a false dilemma that oversimplifies the tension between decorative and artistic heritage.
What it flags — False dilemma en veillant autant à l'héritage décoratif de Matisse, ne délaisse-t-on pas son héritage artistique ?
This treats concern for Matisse's decorative legacy and concern for his artistic legacy as if they cannot both be true, presenting a false either/or choice. A more accurate view would recognize that honoring the decorative aspects of his work does not preclude respecting his deeper artistic contributions.
5,500 lines boiled down to 164.
One question a day, better than “how are you?”.
Question of the day
“If you could send a message to yourself five years ago, what would you say?”
My Claude Code workflow, anonymized and documented.
Two pieces pulled out of my own apps, published for whoever needs them.
Test a strategy on historical data.
