The Sandbox SAND Token Hit by Cross-Chain Exploit, Attacker Mints Billions in Unbacked Tokens
TLDR
- An attacker exploited The Sandbox’s Base network contract, minting roughly 14.9 billion unbacked SAND tokens
- Actual losses were around 14.75 million SAND drained from Ethereum, netting the attacker about $675,000 (80 ETH)
- The Sandbox halted bridging on Base and BNB Smart Chain to contain the damage
- South Korean exchanges Upbit and Bithumb suspended SAND deposits and withdrawals
- SAND on Ethereum and Polygon was not affected, and no user wallets were compromised
On August 22, 2026, an attacker gained arbitrary minting rights on The Sandbox’s SAND contract deployed on Base, a Layer Zero Omnichain Fungible Token configuration used for cross-chain token movement.
⚠️ALERT: Sandbox hit by a major security breach as attackers mint 49B of unbacked $SAND, compromising its ENTIRE liquidity across BSC and Base.
The team has confirmed the exploit and isolated SAND liquidity on BSC and Base, while disabling bridging to and from both networks.… pic.twitter.com/UdvHTm7wuu
- Coin Bureau (@coinbureau) August 22, 2026
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