In the aftermath of a hack that saw attackers steal 44.5 billion won (approximately $30 million) from a Solana hot wallet, Upbit has begun shifting nearly all customer assets into cold storage, a move that now places it among the most conservative platforms globally in terms of online asset exposure.

This transition marks one of the strongest security pivots by a major exchange, signaling a broader industry conversation about balancing rapid withdrawals with the need to reduce attack surfaces.

As digital asset markets continue to expand, Upbit’s response provides a real-time glimpse into how platforms balance operational liquidity against systemic cyber risks.

Upbit Pushes Hot Wallet Usage Toward Zero

Following its internal review and system overhaul, Upbit confirmed that it now stores

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