TechFlame reports that as of the end of October 2025, according to Dunamu's disclosure, the proportion of digital assets held in hot wallets by the cryptocurrency exchange Upbit was 1.67%, while the proportion held in cold wallets reached 98.33%.

Under the Virtual Asset User Protection Act, virtual asset operators are required to store more than 80% of customer-deposited digital assets in cold wallets. Upbit consistently maintains a cold wallet custody ratio of over 98%, significantly exceeding the legal requirement.