Quant

What happened

• Quant, a token, lost $138K on April 28, 2026.

• The 212th largest of the 309 incidents recorded in 2026 so far: under 1% of the $2.36B lost to hacks that year.

• 2 other incidents were recorded the same day, the largest YieldCore-3rd-deal ($399K).

• Arbitrary External Call is behind 30 recorded incidents totalling $37.1M; this is the 19th largest of them.

Cite this record

Monitoring Room, "Quant hack — $138K stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/quant

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