Gravity Bridge, a Cosmos ecosystem cross-chain bridge, announced service suspension following an attack.
The Cosmos ecosystem’s cross-chain bridge Gravity Bridge was reportedly attacked due to a leaked signature key, resulting in approximately $5.4 million in stolen assets. The official team has confirmed the security incident and has urgently suspended bridging services to conduct an investigation. Validators have also been instructed to halt their validator nodes and coordinators. It is reported that the bridge’s contract keys may have been compromised.