Quantstamp (QSP) traded down 13.5% against the U.S. dollar during the 1 day period ending at 21:00 PM Eastern on December 28th. One Quantstamp token can now be bought for approximately $0.0048 or 0.00000011 BTC on popular cryptocurrency exchanges. Over the last seven days, Quantstamp has traded down 13.1% against the U.S. dollar. Quantstamp has […]