Tether-backed Bitcoin treasury firm Twenty One raises total financing to $685 million after second note sale By COINOTAG NEWS 17 hours ago Share FacebookTwitterWhatsAppLinkedinReddItTelegramCopy URL Tether-backed Bitcoin treasury firm Twenty One raises total financing to $685 million after second note sale $BTC #Bitcoin Don't forget to enable notifications for our Twitter account and Telegram channel to stay informed about the latest cryptocurrency news.