Binance Futures will launch B USDT perpetual contracts on May 23 at 00:30 (UTC+8). B (BUILDon) is a full-chain, smart investment platform. B uses USD1 as the trading pair and is listed on Binance Alpha. https://www.binance.com/en/support/announcement/52c6f34173e44f898764fb45e9dbb4ca