The Sandbox

What happened

• The Sandbox, a defi protocol, lost $675K on August 22, 2026.

• The 129th largest of the 306 incidents recorded in 2026 so far: under 1% of the $2.34B lost to hacks that year.

• 2 other incidents were recorded the same day, the largest KiiChain ($9.7M).

• Improper Access Control is behind 142 recorded incidents totalling $1.19B; this is the 66th largest of them.

Cite this record

Monitoring Room, "The Sandbox hack — $675K stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-23 04:00 UTC. https://monitoringroom.com/situation/crypto-hack/the-sandbox

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