Their Blockchain Developer Zheng Liao actually is an actor Aaron Yoo.
Now they have removed photos from the site, but I have a screenshot and 1 capture https://web.archive.org/web/20180310024641/http://www.setoken.eu/.

Proofs:
http://www.imdb.com/name/nm1683094/mediaviewer/rm80777728
http://www.imdb.com/name/nm1683094/
https://en.wikipedia.org/wiki/Aaron_Yoo