South Korea’s two largest crypto exchanges moved first. On August 22, 2026, Upbit issued a trading caution, and Bithumb suspended $SAND deposits and withdrawals after on-chain alerts flagged a suspected exploit.
Upbit Warns, Bithumb Suspends SAND After 500M+ Token Mint Exploit on Base
coingape.com
22 August 2026 13:02, UTC
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