Balancer V1

What happened

• Balancer V1, a defi protocol, lost $250K on September 9, 2026.

• The 178th largest of the 309 incidents recorded in 2026 so far: under 1% of the $2.36B lost to hacks that year.

• 3 other incidents were recorded the same day, the largest Nomic ($3.1M).

• This is the 2nd recorded incident at Balancer V1; the previous one was in August 2026, $234K.

• Swap Logic Flaw is behind 37 recorded incidents totalling $52.5M; this is the 15th largest of them.

Cite this record

Monitoring Room, "Balancer V1 hack (2026) — $250K stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 07:00 UTC. https://monitoringroom.com/situation/crypto-hack/balancer-v1-2026

Other recorded incidents at Balancer V1

DefiLlama records 2 separate incidents under this name.

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