Incidents by month

Crypto hacks and exploits in November 2025

Name: OAK — OnChain Attack Knowledge Dataset
License: https://creativecommons.org/licenses/by-sa/4.0/
Keywords: on-chain attacks, smart contract exploits, crypto laundering, threat actors, taxonomy

3 incidents. Each links to a full write-up: timeline, OAK Techniques, attacker addresses and fund flow, with sources.

Incidents (3)

Hyperliquid POPCAT spoofed-buy-wall + cancel-flood manipulation — Hyperliquid (HyperEVM L1) — 2025-11-12 to 2025-11-13 — 2025-11-13 · loss $4.5M · OAK-T17.001 Cross-Venue Arbitrage-Driven Price-Discovery Distortion
Balancer V2 ComposableStablePool rounding-error exploit — multi-chain — 2025-11-03 — 2025-11-03 · loss $128M · OAK-T9.002 Flash-Loan-Enabled Exploit
Polymarket comment-section phishing campaign — Polygon — 2025-11 — loss $500,000 · OAK-T11.008 Embedded-Wallet Identity-Provider Compromise