@SFR10: that is good to know, thank you. It might be a bit complicated for me for the moment, but I will definitely go for it if we have a lot of crypto currencies payments !

@PotatoChips: these tips are soooooo helpful, thank you so much!
About the place of my post, it was deleted from the "trading discussion" place, so I guess the right one is here

Have a beautiful sunday,

Camille