OceanAltOceanAlt

Weekly · Issue 4 · 2026-08-17 – 2026-08-23

Crypto security incidents · weekly · 2026-W34

From 2026-08-17 to 2026-08-23, 11 crypto security incidents were publicly reported, with about $31.4M lost; the previous week had 3 and $3.3M, a change of +844% in losses. The largest was KiiChain (2026-08-22, about $9.7M). By technique, "Token & Share Accounting" accounted for the most losses: 1 incidents, $9.7M. There were no phishing, frontend-hijack or rugpull incidents; the rest happened inside wallets and contracts and call for key management and code audits.

Incidents

11

previous 3

Reported loss

$31.4M

previous $3.3M

Pre-payment check partly applies

0

$0

Largest incidents

DateIncidentTechniqueLoss
2026-08-22KiiChainToken & Share Accounting$9.7M
2026-08-23TermFinance VaultsGovernance$8.5M
2026-08-22TACProtocol Logic$7.5M
2026-08-19BounceBitAccess Control$3.0M
2026-08-18Maya ProtocolProtocol Logic$1.7M

By technique

Token & Share Accounting1$9.7M
Protocol Logic2$9.2M
Governance1$8.5M
Access Control3$3.7M
Bridge & Cross-Chain2$284K
Oracle Manipulation1$7K
Key Compromise1$0

By chain

KiiChain1$9.7M
Ethereum4$9.3M
TAC1$7.5M
BounceBit1$3.0M
Mayachain1$1.7M
Base2$866K

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.