Trending Now - Gravity Bridge Halts Operations Following $5.4 Million Hack

WHO:

NewsBTC - Gravity Bridge, a Cosmos-native cross-chain protocol, was targeted in the attack.

Cointelegraph - Validators of Gravity Bridge halted operations in response to the exploit.

WHAT:

NewsBTC - Gravity Bridge suffered a hack resulting in the theft of approximately $5.4 million.

NewsBTC - The stolen assets included $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.

NewsBTC - The protocol confirmed the attack and announced that validators should halt their operations while investigations continue.

NewsBTC - The bad actor has laundered a portion of the stolen funds through ChangeNOW and Binance exchanges.

WHERE:

NewsBTC - The attack involved the Gravity Bridge protocol, which operates between the Ethereum and Cosmos networks.

WHEN:

NewsBTC - The attack occurred over the weekend, with the investigation and halt of operations confirmed on Saturday, May 31st.

WHY:

NewsBTC - The attack was attributed to a signing key compromise, which allows unauthorized access to systems and funds.

HOW:

NewsBTC - The exploit was traced to a compromised signing key, which is a cryptographic key that, if disclosed or stolen, allows attackers to gain unauthorized access.

(UPDATED May 31, 2026 17:18 UTC)

Gravity Bridge, a cross-chain protocol connecting Ethereum and Cosmos networks, was targeted in a hack that resulted in the theft of approximately $5.4 million. In response to the exploit, validators of Gravity Bridge halted operations while investigations are underway, confirming that the attack stemmed from a compromised signing key. The stolen assets included $4.3 million in USDC, 274 wrapped Ether valued at about $553,000, and other cryptocurrencies, with a portion of the funds already laundered through ChangeNOW and Binance exchanges.