Crypto Schola

Privacy policy

Last updated: October 17, 2026

Controller: Sylvain Ruhault, sole proprietor (legal notice), support@cryptoschola.com.

Data. This site uses no advertising cookies, analytics or third-party scripts; its host may keep technical logs (IP, date, page) for security. Purchases happen in a window provided by Creem (merchant of record, using Stripe), which collects and processes your purchase data (email, name, billing address, payment) as an independent controller under its own policy; we only receive the order information we need. That window may set cookies strictly necessary for payment and fraud prevention; for affiliate links a creem_ref token may be kept in your browser’s local storage. Support emails you send us are processed to answer you.

Download access. So that you can download again what you bought, our download service (hosted on Cloudflare) keeps a pseudonymous record: your Creem order identifier, your email address only as a keyed cryptographic hash (the address itself is not stored), hashed identifiers of the browsers you downloaded from, and the date. Short-lived (at most one hour) hashed counters derived from your IP address limit abuse of the recovery form and of the free-sample download. Your email address is sent to Resend, our transactional email provider, solely to deliver two kinds of email: the confirmation of your order and of your consent to immediate delivery (sent once, when your first download starts — a legal requirement), and a new download link if you ask for one. This record is kept as long as your purchase gives access to the download, or until you ask us to erase it.

Purposes / legal bases: performing your order, delivering the download and support (contract), answering requests (legitimate interest), accounting and tax obligations (legal obligation), site security (legitimate interest). Retention: support messages 3 years after the last exchange; accounting records 10 years.

Recipients / transfers: Creem and Stripe (payment), Cloudflare (hosting and download service) and Resend (order-confirmation and download-link emails), plus our own mailbox. Cloudflare and Resend are US companies: Cloudflare processes request metadata (IP, URL, user agent) and our pseudonymous download records, and Resend receives your email address only to send your order confirmation or a new download link you request. These emails are sent from Resend’s EU region, but Resend and Cloudflare may still process or store data outside the EU (including in the USA). Such transfers rely on appropriate safeguards (standard contractual clauses and/or the EU-US Data Privacy Framework) set out in our data processing agreements with them. We do not claim that all processing takes place in the EU.

Your rights: access, rectification, erasure, restriction, objection, portability — email support@cryptoschola.com. You may complain to the CNIL (cnil.fr) or your local authority.


Version française

Politique de confidentialité

Dernière mise à jour : 17 octobre 2026

Responsable du traitement

Sylvain Ruhault, entrepreneur individuel — voir les mentions légales. Contact : support@cryptoschola.com.

Données traitées

Finalités et bases légales

Durées de conservation

Messages de support : 3 ans après le dernier échange. Pièces comptables : 10 ans. Journaux d’hébergement : selon l’hébergeur, durée courte.

Destinataires et transferts

Creem et Stripe (paiement), Cloudflare (hébergement du site et service de téléchargement), Resend (envoi de la confirmation de commande et des liens de téléchargement), et notre messagerie. Cloudflare et Resend sont des sociétés américaines : Cloudflare traite des métadonnées de requête (adresse IP, URL, user-agent) et nos enregistrements de téléchargement pseudonymisés ; Resend ne reçoit votre adresse e-mail que pour envoyer la confirmation de commande ou un nouveau lien de téléchargement que vous demandez. Ces e-mails sont envoyés depuis la région UE de Resend, mais Resend et Cloudflare peuvent néanmoins traiter ou stocker des données hors de l’Union européenne (notamment aux États-Unis). Ces transferts reposent sur des garanties appropriées (clauses contractuelles types et/ou cadre de protection des données UE-États-Unis) prévues dans nos accords de traitement des données avec ces prestataires. Nous ne prétendons pas que l’ensemble des traitements a lieu dans l’UE.

Vos droits

Accès, rectification, effacement, limitation, opposition et portabilité : écrivez à support@cryptoschola.com. Vous pouvez aussi saisir la CNIL (cnil.fr/fr/plaintes).