Now there is quite little information available on the subject of Buy & sell Each Digital Cryptocurrency so I would recommend you to go to this site -
https://bitfabula.ch/ ! It`s an official Swiss stock exchange registered in the canton of Zug with the name Brand Business Development AG. Exchange commission is only 0.1% and deposit and withdrawal is commission free. Registration number CHE-161.849.031 Address Gubelstrasse 15 6300 Zug