Gravity Bridge Faces Security Crisis After Suspected $5.4M Exploit

Gravity Bridge is facing significant security concerns after a recent exploit left it vulnerable to attacks. On May 30, blockchain security researchers reported that a suspected compromise of a critical contract key led to the draining of approximately $5.4 million in assets from the cross-chain bridge.

The attack targeted several major cryptocurrencies, including USDC, WETH, and USDT. According to on-chain monitoring data, the stolen assets included $4.3 million in USDC, 274 WETH worth approximately $553,000, $434,000 in USDT, and around $64,000 in PAYG tokens.

Security experts are warning that compromised administrator keys and weak operational security remain major attack vectors for cross-chain infrastructure. This incident highlights the importance of stronger operational security measures, including multi-signature controls, hardware-secured key storage, continuous monitoring, and emergency response procedures.