Proton (XPR) traded up 1.4% against the US dollar during the 1 day period ending at 22:00 PM Eastern on September 19th. One Proton coin can currently be purchased for approximately $0.0006 or 0.00000002 BTC on popular exchanges. During the last seven days, Proton has traded 6% lower against the US dollar. Proton has a […]