Monitoring

Onyx Protocol

MEDIUMEthereum·Donation Attack·#459 all-time
$2.1M stolenWednesday, November 1, 2023 · 1089 days ago

Corpus updated 2026-10-25

What happened

  • Onyx Protocol, a defi protocol, lost $2.1M on November 1, 2023.

  • The 58th largest of the 197 incidents recorded in 2023: under 1% of the $1.63B lost to hacks that year.

  • Donation Attack is behind 16 recorded incidents totalling $372.9M; this is the 8th largest of them.

Cite this record

Monitoring Room, "Onyx Protocol hack — $2.1M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/onyx-protocol

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10/29/2023$228K
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Curve Finance MEV Bot
11/7/2023$2.0M
← All incidents

Source: DefiLlama · 1317 recorded incidents · data as of 2026-10-25 08:00 UTC