Hack history / Monthly reports / 2023-11
Crypto hacks and thefts, November 2023
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
$833M
78 thefts
vs the month before
21×
21× ($39.7M)
vs a year earlier
+13%
+13% ($738.2M)
Largest thefts
Arrests made in $300 million Indian crypto scam 06 · Scam$300MPoloniex 10 · Malware$126MHTX & Heco 22 · Unknown$113.3MHeco Bridge 22 · Hot Wallet Key Compromised$86.6MWallet drainer steals more than $60 million in six months 12 · Hack or exploit$60MKyberSwap Elastic 22 · Rounding Error$51.4MWallet linked to Binance deployer loses $27 million in apparent hack 12 · Hack or exploit$27MKronos Research 18 · API Key Compromised$26MHuobi 22 · Hot Wallet Key Compromised$13.6MDydx 18 · Risk Parameter Abuse$9M
How attackers got in
Phishing and scams 4$427.8M
Keys, accounts and infrastructure 14$130.6M
Bridge and cross-chain 1$113.3M
Other 9$87.7M
Smart contract bug 21$60.4M
Price, oracle and governance 5$9.1M
Insiders: rug pulls, frauds, collapses 24$4.1M
By chain
not stated 12$441.3M
Ethereum 31$386.5M
Bitcoin 2$128M
Tron 1$126M
Arbitrum 2$51.6M
Optimism 2$51.6M
Base 3$51.4M
Polygon 1$51.4M
By target
not stated 59$393.9M
Centralized exchange 5$255.3M
DeFi protocol 13$157.8M
Other 1$26M
Collapses and frauds, counted apart
2 cases, $244.8M.
Cite this page
SwanBluechip, "Crypto hacks and thefts, November 2023", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2023-11/ (data as of 2026-10-31).