Hack history / Monthly reports / 2023-10
Crypto hacks and thefts, October 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
$39.7M
60 thefts
vs the month before
−93%
−93% ($602M)
vs a year earlier
−96%
−96% ($946.1M)
Largest thefts
Fantom Foundation and employees lose collective $7 million in mass hack 17 · Hack or exploit$7MCoins.ph 20 · Private Key Leakage$6MLastPass 25 · Information Leakage$4.4MArena SocialFi 07 · Reentrancy$3MPlatypus Finance 12 · Spot Price Manipulation$2.1MFSL 11 · Rug Pull$1.7MFintoch scammers strike again with $1.6 million FinSoul scam 10 · Scam$1.6MIvy 16 · Rug Pull$1.6MBigWhale loses $1.5 million in private key leak 03 · Hack or exploit$1.5MFake Linea token 26 · Rug Pull$1.3M
How attackers got in
Other 7$13.3M
Insiders: rug pulls, frauds, collapses 20$8.5M
Keys, accounts and infrastructure 15$7M
Smart contract bug 9$5.5M
Price, oracle and governance 7$3.8M
Phishing and scams 1$1.6M
Bridge and cross-chain 1$0
By chain
Ethereum 19$12.9M
not stated 17$12.7M
BNB Chain 19$8.2M
Fantom 1$7M
Avalanche 2$5.1M
Base 1$385K
Solana 1$230K
Arbitrum 1$175K
By target
not stated 45$24.2M
Centralized exchange 2$6M
DeFi protocol 9$5M
Other 2$3.3M
Token 1$1.3M
Bridge 1$0
Collapses and frauds, counted apart
1 cases, $0.
Cite this page
SwanBluechip, "Crypto hacks and thefts, October 2023", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2023-10/ (data as of 2026-11-01).