Hack history / 2022 / Hack or exploit
Meter
Hack or exploit on Feb 6, 2022 · Missing Input Validation
IN REVIEWSOURCES DISAGREE ON DATE OR LOSS · 5 SOURCES
Lost
$4.3M
sources: $4.3M to $7.7M
Returned
none listed
as the sources state it
Rank
#504
among thefts by dollars lost
What happened
On February 5-6, 2022, Meter's bridge was exploited via missing validation on an alternative deposit function variant. Attacker called the function directly with arbitrary amounts, draining $4.4M from Meter and causing $3.3M cascading loss in Hundred Finance collateral pools.
In review: sources disagree on the loss.
Details
- Date
- Feb 6, 2022
- Kind
- Hack or exploit
- Method
- Missing Input Validation
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
- Audit (rekt.news)
- unaudited
Related incidents
Meter 2026 · Hack or exploit · $2.3M
Qubit 2022 · Hack or exploit · $80M
Cashio 2022 · Hack or exploit · $52M
Transit Swap 2022 · Hack or exploit · $24.9M
Team Finance 2022 · Hack or exploit · $15.2M
Qubit 2022 · Hack or exploit · $80M
Cashio 2022 · Hack or exploit · $52M
Transit Swap 2022 · Hack or exploit · $24.9M
Team Finance 2022 · Hack or exploit · $15.2M
Cite this page
SwanBluechip, "Meter hack, Feb 6, 2022: $4.3M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht22165cc894/ (data as of 2026-10-31).