[Hotcoin Announcement on the Upgrade of BTCUSDT and ETHUSDT Perpetual Contract Trading Pairs] Hotcoin has issued an announcement stating that, to enhance the trading experience of perpetual contracts, maintenance and upgrades for the BTCUSDT and ETHUSDT trading pairs will take place on November 7, 2025. Trading will be suspended during the upgrade, which is expected to last 20 minutes. Stay tuned for the brand-new experience after the upgrade!