Techub News message, Binance contracts will launch the ZKPUSDT perpetual contract (up to 40x leverage) on December 21, 2025, at 10:00 Hong Kong time, followed by the GUAUSDT perpetual contract (up to 20x leverage) at 10:15 on the same day, and the IRUSDT perpetual contract (up to 40x leverage) at 10:30 on the same day.