Deep Tide TechFlow News, on May 31, the Cosmos ecosystem cross-chain bridge Gravity Bridge was suspected to have been attacked due to a signature key leak, resulting in approximately $5.4 million worth of assets stolen. The official has confirmed a security incident and has urgently paused the bridging service to conduct an investigation, while also requesting validators to suspend validation nodes and coordinators from operating. It is reported that its contract keys may have been compromised.