Publisher
The site and the course are published and written by Guillaume Pessanha, author and web developer. Contact: [email protected].
Legal notice
Publisher, scope and limits of the course
This crypto course is published on guillaumepessanha.com. It is educational: it is neither investment advice nor a platform's website.
Legal notice
Updated 10 September 2026
Nature of the content
The course is free and educational. It explains how crypto works — blockchain, security, taxation — without recommending any particular investment and without promising any return.
No affiliation
The site carries no affiliate links and is paid by no platform. Any company mentioned is used as a teaching example, never in exchange for a commercial agreement.
Sources and limits
The content is based on public documents and independent editorial reading. Tax rules, fees and platform terms change: always check the information at its source before acting.
Intellectual property
Texts, diagrams and simulators belong to their author. Trademarks and product names quoted remain the property of their respective owners and are mentioned for illustration only.
Hosting and data
The site is hosted on a dedicated server in Europe. Audience measurement is anonymous and cookie-free; the only personal data processed is account data, described in the privacy policy.