Cross-Chain Protocol Gravity Bridge Suffers $5.4 | Crypto News
Gravity Bridge, a Cosmos-native cross-chain protocol, was the goal of a compromised-key assault, which led to the theft of roughly $5.4 million over the weekend. This latest security breach joins the growing checklist of exploits suffered in the decentralized finance (DeFi) space so far in 2026.
Gravity Bridge Hack Traced To Signing Key Compromise: Investigator
On Saturday, May thirty first, blockchain sleuth Specter highlighted that Gravity Bridge may need been exploited through what he described as a signing key compromise. For context, a signing key compromise refers to the unauthorized disclosure or theft of a cryptographic key, permitting an attacker to then use it to decrypt delicate data, forge digital signatures, or gain unauthorized access to systems and, as in this case, funds.
The analyst disclosed that the loot included crypto property value about $5..4 million, including $4.3 million in USDC, 274 wrapped Ether valued at roughly $553,000, $434,000 in USDT, and 14.16 PAXG tokens priced at about $64,000. According to security firm PeckShield, the unhealthy actor has laundered a portion of the stolen funds through the ChangeNOW and Binance exchanges, but still holds over 2,100 Ether (value roughly $4.23 million).
The workforce behind Gravity Bridge confirmed the assault on Saturday, saying that validators and orchestrators ought to halt their operations while they examine the exploit. “Thanks to the swift action of validators, the bridge is currently halted while investigations continue,” the protocol announced in a subsequent post on social media post.
Gravity Bridge is a cross-chain protocol that works by locking tokens on the Ethereum community and creating direct replicas of the crypto property on the Cosmos community, relying on validator signatures to authorize each switch. Hence, the protocol would deal with even solid transactions as authentic if a unhealthy actor will get the suitable signing keys.
If confirmed as a key compromise, this Gravity Bridge incident would align with the continued sample of crypto bridge assaults, in which breaches are sometimes embedded in access controls relatively than in the underlying good contract code. This sample might be noticed in the bulk of the current exploits, with Kelp DAO’s $292 million assault a notable incident.
Crypto Hacks Continue To Pile In 2026
As talked about earlier, Gravity Bridge’s $5.4 million hack joins the growing checklist of hacks that have rocked the crypto industry, particularly the DeFi sector, in 2026. Specifically, bridges seem to have been a gentle goal for attackers in this period.
Specifically, a TRM Labs report recognized April 2026 as the most hacked month, with the very best quantity of incidents in crypto historical past. These assaults included the aforementioned $292 million Kelp DAO hack and Drift Protocol’s $285 million loss.
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