[Upbit Reminds Users to Be Aware of Polkadot (DOT) Investment Risks] Upbit has issued an announcement stating that due to security issues with Polkadot (DOT) on April 13, 2026, which have led to increased price volatility, the Digital Asset eXchange Alliance (DAXA) has decided to issue an investment risk warning for Polkadot (DOT). DAXA member exchanges may take measures such as trading advisories, designating the asset for trading caution, or terminating trading support. Users are advised to invest cautiously.