Upbit Halts FLOW Transactions Due to Security Concerns
Written by Ohris M. Greyoon, Blockchain & Crypto Expert
- Transaction Suspension: Upbit suspended FLOW deposits and withdrawals on December 27, 2025, due to security concerns on the FLOW mainnet, aiming to protect users and reflecting heightened market vigilance regarding security risks.
- Market Reaction: FLOW's price dropped by 39.39% within 24 hours, currently priced at $0.11 with a trading volume of $172,676,223, indicating the market's sensitivity to this incident.
- Regulatory Expectations: The Coincu research team anticipates increased regulatory scrutiny on digital exchanges following such incidents, which may lead to tighter security standards to address evolving threats.
- Industry Impact: This event underscores the security challenges faced by cryptocurrency exchanges, with historical data showing that security breaches often trigger market volatility and stricter regulatory measures.
About the author

Ohris M. Greyoon
Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.






