Aquifer

What happened

• Aquifer, a defi protocol, lost $2.5M on August 31, 2026.

• The 73rd largest of the 306 incidents recorded in 2026 so far: under 1% of the $2.34B lost to hacks that year.

• 3 other incidents were recorded the same day, the largest Radix ($1.2M).

• Arbitrary External Call is behind 30 recorded incidents totalling $37.1M; this is the 3rd largest of them.

Cite this record

Monitoring Room, "Aquifer hack — $2.5M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-23 03:00 UTC. https://monitoringroom.com/situation/crypto-hack/aquifer

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