Proton (XPR) traded down 0.6% against the U.S. dollar during the 24 hour period ending at 17:00 PM Eastern on April 21st. In the last seven days, Proton has traded 3.5% higher against the U.S. dollar. One Proton coin can currently be purchased for about $0.0012 or 0.00000002 BTC on exchanges. Proton has a market […]