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Dashboard/Crypto Hacks/Gamma
MEDIUMEthereum·Arithmetic Error·#316 all-time

Gamma

$4.5M stolenTuesday, December 21, 2021 · 1700 days ago

Corpus updated 2026-08-17

Other recorded incidents at Gamma

DefiLlama records 3 separate incidents under this name. Each has its own page.

Gamma — 2021
Ethereum$8.2M
Gamma — 2024
Arbitrum$4.5M

Situation Summary

12/21/2021 — EXPLOIT DETECTED

$4.5M drained from Gamma on Ethereum.

TECHNIQUE: ARITHMETIC ERROR

Social Reactions

@ZachXBT coverage

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DefiLlama incident data

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Nearby in the record

Incidents recorded immediately before and after this one.

Grim Finance
12/18/2021$30.0M
NerveBridge
12/14/2021$537K
Bent Finance
12/21/2021$1.8M
Vulcan Forged
12/13/2021$140.0M
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12/23/2021$1.3M
← All incidents

Data: DefiLlama · Monitoring Room

Source: DefiLlama · 1221 recorded incidents · data as of 2026-08-17 01:37 UTC