Upbit, South Korea’s largest crypto exchange, will move almost all customer assets into cold wallets after attackers breached its Solana hot wallets in late November. Dunamu, Upbit’s parent company, announced on Wednesday, Dec. 10, that the crypto exchange is planning to move over 99% of its digital assets to cold wallets. South Korea’s Virtual Asset User Protection Act requires all crypto exchanges to hold at least 80% of their digital assets in cold wallets. While Upbit already holds 98.33% of its cry ...