TLDR
Upbit reported abnormal withdrawals today and temporarily suspended deposits and withdrawals. See the confirmation in a major media report.
- Estimated loss is about 54 billion KRW (~$3638.5 million) on Solana assets per a news update.
- Affected tokens include SOL, USDC, BONK, JUP, RAY, ORCA and others, per a report.
- Upbit moved assets to cold wallets and says it will fully reimburse users, per the announcement coverage.
Deep Dive
1. Scale And Timing
The incident involved roughly 54 billion KRW of assets and was detected early today, prompting an immediate pause of deposits and withdrawals per a detailed report and corroborated by a market update.
- Coverage puts the range at $3638.5 million as of today depending on source conversions, per the report.
- Upbit described the activity as abnormal withdrawals on its Solana hot wallet and halted services pending checks, per the report.
Expect temporary service disruption on Solana-related transactions and monitoring of resumption notices.
2. Impacted Assets
The outflows spanned more than twenty Solana ecosystem tokens, including SOL, USDC, BONK, JUP, RAY, ORCA, PYTH, RENDER, JTO, among others, per a coverage summary.
- Multiple outlets list the impacted set with overlap; the precise basket may evolve as investigations proceed, per the report.
- Some funds were reportedly frozen (for example, a portion of LAYER) as coordination with projects continues, per a news update.
If you hold these tokens on Upbit, watch for asset-specific updates and freeze actions.
3. Response And User Impact
Upbit transferred assets to cold storage, began on-chain freezes, and stated it will cover losses so users are made whole, per the report and a parallel update.
- Deposits/withdrawals will resume after security checks are completed, per the market update.
- The incident appears tied to exchange wallet infrastructure rather than Solana protocol issues, per a news brief.
Operational risk is being managed at the venue level; monitor official status posts and be cautious of phishing around reimbursement claims.
Conclusion
Upbit is the CEX that reported abnormal withdrawals today, centered on its Solana hot wallet, with a loss estimate near $3638.5 million. Immediate containment (service suspension, cold wallet moves, and targeted freezes) and a stated plan to reimburse users point to venue-led remediation. Near term, watch for phased service restoration and any updates on frozen funds or investigative outcomes.
CoinsKid.Com