Proton (XPR) traded down 3% against the U.S. dollar during the 24 hour period ending at 23:00 PM ET on November 20th. One Proton coin can now be purchased for about $0.0010 or 0.00000003 BTC on cryptocurrency exchanges. During the last seven days, Proton has traded up 8.2% against the U.S. dollar. Proton has a […]