Hack history / 2026 / Hack or exploit
Echo Bridge
Hack or exploit on May 18, 2026 · Private Key Compromised
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$821K
dollars at the time
Returned
none listed
as the sources state it
Rank
#992
among thefts by dollars lost
What happened
Echo Protocol's Monad bridge was compromised on May 18, 2026 when attacker obtained admin key with minting privileges, minting 1,000 eBTC and executing swaps to extract 385 ETH (~$821K realized).
Details
- Date
- May 18, 2026
- Kind
- Hack or exploit
- Method
- Private Key Compromised
- How in
- Keys, accounts and infrastructure
- Target
- DeFi protocol
- Chains
- Monad
Reported by
Related incidents
Echo Protocol 2025 · Hack or exploit · undisclosed
Step Finance 2026 · Hack or exploit · $40M
Humanity 2026 · Hack or exploit · $32M
Ostium 2026 · Hack or exploit · $23.8M
KITE Foundation 2026 · Hack or exploit · $13.3M
Step Finance 2026 · Hack or exploit · $40M
Humanity 2026 · Hack or exploit · $32M
Ostium 2026 · Hack or exploit · $23.8M
KITE Foundation 2026 · Hack or exploit · $13.3M
Cite this page
SwanBluechip, "Echo Bridge hack, May 18, 2026: $821K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htae99146eab/ (data as of 2026-10-31).