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Hack history / 2022 / Hack or exploit

Nomad

Hack or exploit on Aug 1, 2022 · Forged Proof

LEGAL ACTIONSOURCES AGREE ON DATE AND LOSS · 5 SOURCES
Lost
$190M
sources: $154M to $190M
Returned
$37M
19% of the loss, as a source states it
Rank
#32
among thefts by dollars lost

What happened

On August 1, 2022, Nomad bridge was exploited when the protocol initialization set trusted roots to 0x00, matching the untrusted root value. This caused the Replica contract to accept any messages as valid, enabling 300+ copycat attackers to drain $190M total.

Details

Date
Aug 1, 2022
Kind
Hack or exploit
Method
Forged Proof
How in
Bridge and cross-chain
Target
DeFi protocol
Chains
Ethereum

After the theft

Recovered or frozen
$37M
“$190.0M taken, $153.0M after recovery or freezing” (Web3 Is Going Great)

Legal action

US Department of Justice press releases that name this incident. A charge is an allegation; defendants are presumed innocent unless proven guilty.

Reported by

Cite this pageSwanBluechip, "Nomad hack, Aug 1, 2022: $190M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/hta1393e86c2/ (data as of 2026-11-01).
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