Cosmos ecosystem cross-chain bridge Gravity Bridge announced the suspension of services after being attacked

The Cosmos ecosystem cross-chain bridge Gravity Bridge is suspected to have been attacked due to the leakage of its signing key, resulting in approximately $5.4 million in assets being stolen. The official team has confirmed that they have encountered a security incident and have urgently suspended bridge services to conduct an investigation, while also requesting validators to suspend the operation of validation nodes and coordinators. It is reported that its contract key may have been compromised.