Weekly · Issue 1 · 2026-07-27 – 2026-08-02

Crypto security incidents · weekly · 2026-W31

From 2026-07-27 to 2026-08-02, 7 crypto security incidents were publicly reported, with about $127.0M lost; the previous week had 14 and $58.3M, a change of +118% in losses. The largest was COLDCARD (2026-07-31, about $116.0M). By technique, "Key Compromise" accounted for the most losses: 2 incidents, $116.6M. There were no phishing, frontend-hijack or rugpull incidents; the rest happened inside wallets and contracts and call for key management and code audits.

Data: the public DefiLlama incident dataset. This report restates public reports and is not OceanAlt's judgment of any party. To report an error, email business@oceanalt.com.