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>>Upbit freezes FLOW withdrawals as a critical network outage disrupts cryptocurrency trading.

Upbit freezes FLOW withdrawals as a critical network outage disrupts cryptocurrency trading.

crypthub

about 5 hours ago

Network Disruption and Withdrawal Suspension

Upbit halted Flow (FLOW) withdrawals on Dec 15, 2025 after the Flow blockchain stopped generating blocks. The pause prevented secure asset transfers and triggered an emergency alert at 14:30 KST. Upbit’s risk team activated its emergency plan to safeguard user funds while the issue was examined.

Exchange Response Protocols

Major exchanges follow standardized incident frameworks; Upbit notified users within 60 minutes via app, email and banner. The protocol demands confirmation of stable block production before services resume. Other platforms such as Binance and Coinbase use faster alerts but share the same safety objectives.

Market Impact

FLOW trading volume on Upbit fell about 35 % in the first two hours, yet the token’s price slipped only 2.7 % against the KRW. Unaffected exchanges kept withdrawals open, limiting arbitrage and keeping overall market volatility low. Derivatives and options showed minimal reaction, underscoring confidence that the problem is temporary.

Security Measures and Outlook

The suspension highlights Upbit’s multi‑layer protection, including stricter transaction validation and hot‑wallet limits. South Korean regulators require such incident‑response steps, aligning with global best practices. Analysts expect withdrawals to resume within 4‑12 hours once Flow confirms stable block production.