Weekly · Issue 5 · 2026-08-24 – 2026-08-30
Crypto security incidents · weekly · 2026-W35
From 2026-08-24 to 2026-08-30, 16 crypto security incidents were publicly reported, with about $189.7M lost; the previous week had 11 and $31.4M, a change of +505% in losses. The largest was Tectonic (2026-08-30, about $124.5M). By technique, "Token & Share Accounting" accounted for the most losses: 5 incidents, $175.5M. There were no phishing, frontend-hijack or rugpull incidents; the rest happened inside wallets and contracts and call for key management and code audits.
16
$189.7M
0
Largest incidents
| Date | Incident | Technique | Loss |
|---|---|---|---|
| 2026-08-30 | Tectonic | Token & Share Accounting | $124.5M |
| 2026-08-24 | Nesa | Token & Share Accounting | $50.0M |
| 2026-08-27 | Moonwell Lending | Oracle Manipulation | $8.7M |
| 2026-08-28 | Fogo Foundation | Key Compromise | $3.0M |
| 2026-08-28 | Virtue | Oracle Manipulation | $895K |
By technique
| Token & Share Accounting | 5 | $175.5M |
| Oracle Manipulation | 4 | $9.6M |
| Key Compromise | 1 | $3.0M |
| Protocol Logic | 5 | $1.4M |
| Access Control | 1 | $162K |
By chain
| Cronos | 1 | $124.5M |
| Nesa | 1 | $50.0M |
| Base | 1 | $8.7M |
| Fogo | 1 | $3.0M |
| Ethereum | 3 | $1.2M |
| Iota | 1 | $895K |

