Cosmos ecosystem cross-chain bridge Gravity Bridge announces shutdown of services after attack

According to ChainCatcher, the Cosmos ecosystem cross-chain bridge Gravity Bridge has reportedly been attacked, likely due to the exposure of signing keys, resulting in the theft of approximately $5.4 million in assets. The official team has confirmed the security incident and urgently suspended bridge services to conduct an investigation. Validators have also been asked to halt validator nodes and coordinator operations. It is reported that their contract keys may have been compromised.