is a website owned by Guillaume Duveau, freelance blockchain & web developer.


Guillaume Duveau
60 rue Benjamin Baillaud
31500 Toulouse

Contact - 06 89 35 39 26

Domain name

The domain name is owned by Guillaume Duveau.


2 rue Kellermann
59100 Roubaix

Administrative status and invoice

Guillaume Duveau exercises his activity under the status of salary portage. As such, it is a member of NODALYS webportage, which provides administrative management of its activity and whose contact details follow:

Webportage NODALYS
RCS Aix-en-Provence : 483 180 808

Invoicing address :
L’Escapade Bât E.,
Avenue Paul Jullien
13100 Le Tholonet

Email :
Phone : 04 42 12 44 44

The invoices will therefore be drawn up in the name of Webportage. For more information click on Webportage.

Terms of service

Reproduction of the content of this website, in whole or in part, is prohibited without the written permission of Guillaume Duveau.

The sharing of all pages, on social networks or by email via dedicated buttons is allowed and even encouraged, as long as clicking on the user is found on the original page on this site.

All other material contained on this site not belonging to me: videos, photos, images, logos, product names or brands mentioned, texts etc., is the property of their respective owners. If you are the owner of the rights to the material contained on this site and you wish a credit statement, a modification or their outright withdrawal, contact me.

Those images are not attributed on the pages they are used in:

Anyone appearing in the photos or videos on this site may at any time assert their image rights and request the removal of the document concerned, by contacting me.

Collection of personal data

When you post a comment on this site, send a message, this information is stored in a database. The information collected is subject to computer processing intended to enrich the content of the site with your comments, to enter into communication with me. The recipient of the data is Guillaume Duveau. In accordance with the law "computing and liberties" of January 6, 1978 modified in 2004, you profit from a right of access and of correction to the information which relates to you, which you can exert by contacting me. You can also, for legitimate reasons, oppose the processing of data concerning you.


Cookies are small text files that are placed on your computer by the websites you visit. They are widely used to enable the operation of sites or to make their operation more efficient, and to provide information to their owner. The law provides that for certain cookies, the Internet user must be informed when they first arrive on a site, and must be able at any time to choose to protect their confidentiality by refusing these cookies. You will find below the description of the cookies concerned as well as a way to prohibit them.

Google cookies

I also use on this site Google Analytics to measure the audience and to have access to its demographic data and its centers of interest. For this purpose, I and third-party providers jointly use cookies or proprietary identifiers (such as the Google Analytics cookie). On your first visit, we display an information banner allowing you to refuse this tracking by cookies. If you continue browsing, it is considered that you accept this tracking. However, at any time you can decide to prohibit this monitoring by clicking on the following link: Cookie management. You can also object to Google Analytics tracking at any time on any website: