Hack history / 2026 / Hack or exploit
Gravity Bridge
Hack or exploit on May 30, 2026 · Validator Key Compromised
SOURCES AGREE ON DATE AND LOSS · 4 SOURCES
Lost
$5.4M
dollars at the time
Returned
none listed
as the sources state it
Rank
#435
among thefts by dollars lost
What happened
On May 30, 2026, Gravity Bridge suffered a $5.4 million exploit via compromised validator signing key. Stolen assets included $4.3M USDC, 274 ETH (~$553K), and $434K USDT; attacker laundered most through ChangeNow and Binance.
Details
- Date
- May 30, 2026
- Kind
- Hack or exploit
- Method
- Validator Key Compromised
- How in
- Keys, accounts and infrastructure
- Target
- DeFi protocol
- Chains
- Ethereum, Cosmos
Related incidents
Cite this page
SwanBluechip, "Gravity Bridge hack, May 30, 2026: $5.4M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht1d0305bf1e/ (data as of 2026-10-31).