[Upbit Designates OAS as a Trading Caution Item and Suspends Deposit Services] Upbit has announced that OAS (Oasis) has been designated as a trading caution item, and its deposit services have been suspended. The affected trading pairs are OAS/BTC and OAS/USDT, with the deposit suspension period set from January 26, 2026, 18:00 to February 10, 2026, 23:59 (Hong Kong Time). Upbit stated that OAS has issues related to changes in circulation plans and transparency of relevant procedures, which may lead to user losses. During the trading caution item period, deposits will not be processed, and all deposits will be returned.