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Last updated: October 29, 2026

Privacy policy

Short version: this website uses no cookies and does not track you individually; we only count visits anonymously. We only collect what is needed to sell you the program, give you access and answer your messages. We never sell your data.

Who is responsible for your data

Lucas Inglese, sole trader (entrepreneur individuel, micro-entreprise) trading as Quantreo, 143 route du Léman, 74160 Archamps, France. SIRET 913 217 873 00011. Email: lucas [at] quantreo.com.

This website

quantreo.com sets no cookies and uses no advertising pixels. To know how the site is used, we measure visits with Umami, a privacy-friendly analytics tool: it records anonymous, aggregated data (pages viewed, referring website, country, device type, clicks on the buy buttons), uses no cookies and does not identify you or follow you across other websites. Fonts, images and the lesson excerpt are served from our own server. Like any web server, our host keeps technical logs (IP address, pages requested, date) for security, for a short period.

Data we collect, and why

Service providers

We use a small number of providers who process data on our behalf, under contract:

Some of these providers may process data outside the European Union. In that case the transfer is covered by the safeguards required by the GDPR, such as the European Commission’s standard contractual clauses.

How long we keep it

Your rights

You can ask to access, correct, delete or export your data, object to its use or withdraw your consent at any time. Write to lucas [at] quantreo.com; we answer within one month. If you think your rights are not respected, you can file a complaint with the CNIL (cnil.fr) or the data protection authority of your country.