BlockBeats News, May 21st, according to HTX market data, as Bitcoin strengthened again, altcoins surged across the board, with privacy sector tokens leading the way, including:

NIL is currently trading at $0.6725, up 25.07% in the last 24 hours;

DASH is currently trading at $49.62, up 17.79% in the last 24 hours;

ZEC is currently trading at $670.07, up 17.17% in the last 24 hours;

ZEN is currently trading at $6.746, up 12.73% in the last 24 hours.