Security
Upbit Warns, Bithumb Suspends SAND After 500M+ Token Mint Exploit on Base
CoinGape·August 22, 2026·1 min read
South Korea's Upbit and Bithumb acted on August 22, 2026, after a suspected exploit on The Sandbox's Base network deployment. Upbit issued a trading caution, while Bithumb suspended SAND deposits and withdrawals. Blockchain security firm PeckShield confirmed the breach, which involved a mint of over 500 million tokens, according to CoinGape.
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