Hack history / Monthly reports / 2025-11
Crypto hacks and thefts, November 2025
Thefts are hacks, exploits, phishing, scams and rug pulls, in dollars at the time. A single source for $500M or more waits for a second source before it counts.
Taken
$263.3M
18 thefts
vs the month before
+438%
+438% ($49M)
vs a year earlier
+248%
+248% ($75.7M)
Largest thefts
Balancer V2 03 · Rounding Error$120.5MStream Finance halts activity after $93 million loss 04 · Hack or exploit$93MUpbit 26 · Malware$30.3MBerachain 03 · Contract Vulnerability$12.8MGANA Payment 20 · Phishing$3.1MMoonwell Lending 04 · Spot Price Manipulation$1MAerodrome V1 21 · DNS Hijack$700KAgentic FoF 24 · Unknown$531KPolymarket 11 · Phishing$500KImpermax V3 11 · Liquidation Logic Flaw$380K
How attackers got in
Smart contract bug 7$134.6M
Other 1$93M
Phishing and scams 4$33.9M
Price, oracle and governance 2$1.1M
Keys, accounts and infrastructure 4$740K
By chain
Ethereum 8$123.6M
Base 5$123.2M
Optimism 3$122.2M
Polygon 2$121M
Arbitrum 1$120.5M
Sonic 1$120.5M
not stated 5$105.8M
Solana 2$30.4M
By target
DeFi protocol 11$127.1M
not stated 5$105.8M
Centralized exchange 1$30.3M
Token 1$130K
Collapses and frauds, counted apart
1 cases, $5M.
Cite this page
SwanBluechip, "Crypto hacks and thefts, November 2025", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2025-11/ (data as of 2026-10-31).