This English translation is provided for information purposes. In the event of any discrepancy, the French version prevails.

1. Purpose

These terms of sale apply to the personalised coaching, training and talk services offered by Nicolas Schmitt, sole trader (Entrepreneur individuel, EI) — La Citadelle, SIRET 978 085 470 00018, 14 rue Gustave Eiffel, 25300 Pontarlier, France (hereinafter "La Citadelle").

2. Prices and payment

The services and their prices are presented on the Packages page. Prices are stated in euros, net of tax: VAT not applicable, article 293 B of the French General Tax Code (CGI).

The website offers no online payment.
A deposit of 25% of the package price secures the session booking. The balance is paid as set out in the written confirmation.
Payment is made by bank transfer, in euros or in bitcoin. For payment in bitcoin, the amount due in euros is converted at the time of payment, as specified by La Citadelle.

Hardware (hardware wallet, mini PC, any subscriptions) is not included, unless explicitly stated otherwise in the relevant offer.

3. Booking

Requests are made through the contact form, by phone, by email or by messaging app (Telegram, Signal, WhatsApp). After a discovery call, La Citadelle sends a written confirmation stating the package, date, time, place and price. The package is confirmed and the session booked once the 25% deposit has been paid. Payment of the deposit constitutes acceptance of these terms of sale.

4. Right of withdrawal

Under the French Consumer Code, clients in principle have fourteen (14) days to exercise their right of withdrawal. However, this right does not apply to services scheduled for a specific date or period. When the appointment is set for a specific date, no right of withdrawal can be exercised.

5. Cancellation

Clients may cancel their session free of charge up to 7 days before the appointment, in which case the deposit is refunded. After that, no refund is given. Clients who wish to reschedule an appointment should inform La Citadelle as early as possible, by phone, email or messaging app, to agree on a new slot.

6. Commitments and liability

La Citadelle provides technical and educational support. Clients generate their own private keys and recovery phrase: La Citadelle never has access to them and never holds any funds. Clients remain solely responsible for safekeeping their recovery phrase, codes and funds. La Citadelle does not sell bitcoins and provides no investment advice.

7. Learning support

Packages include 1 year of learning support from the date of the session: answers to the client's questions on using the tools that were set up.

8. Complaints

For any complaint, clients first contact La Citadelle in writing: contact@lacitadelle.io or 14 rue Gustave Eiffel, 25300 Pontarlier, France. La Citadelle undertakes to seek an amicable solution.

9. Consumer mediation

In accordance with articles L.611-1 et seq. and R.612-1 et seq. of the French Consumer Code, and in particular article L.612-1, consumer clients are entitled to refer, free of charge, any dispute with La Citadelle to a consumer mediator for amicable resolution, after first attempting to resolve it directly through a written complaint. La Citadelle's mediator is:

[NOM DU MÉDIATEUR]
[ADRESSE]
[SITE WEB]

The mediator may be contacted within one year of the written complaint sent to La Citadelle.

10. Governing law

These terms of sale are governed by French law.

Updated on 12 November 2026.

Terms of sale