Hack history / Monthly reports / 2023-12
Crypto hacks and thefts, December 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
$273.3M
64 thefts
vs the month before
−67%
−67% ($833M)
vs a year earlier
+77%
+77% ($154.1M)
Largest thefts
Orbit Bridge 31 · Signature Verification Flaw$81.6MMoney launderers charged over $80 million crypto romance scam 13 · Scam$80MNew wallet drainer steals almost $60 million in 9 months 21 · Hack or exploit$59MFloorProtocol 17 · Business Logic Flaw$16MUsers of the Safe Wallet lose cumulative $2 million to address poisoning 03 · Hack or exploit$5MWallet gets phished for $4.4 million 28 · Scam$4.4MNFT Trader 16 · Reentrancy$3MOKX DEX 13 · Private Key Compromised$2.7MGoodDollar 16 · Reentrancy$2MINX Digital Company 20 · Key Leaked via Infrastructure$1.6M
How attackers got in
Smart contract bug 22$107.9M
Phishing and scams 4$85.3M
Other 6$68.1M
Keys, accounts and infrastructure 9$5.5M
Insiders: rug pulls, frauds, collapses 13$3.4M
Price, oracle and governance 10$3.2M
By chain
not stated 12$150.7M
Ethereum 28$115.1M
BNB Chain 20$3.9M
Solana 3$2.2M
Arbitrum 3$1.7M
Polygon 1$1.2M
Osmosis 1$1.1M
Cosmos 1$1.1M
By target
not stated 42$175M
DeFi protocol 14$93.6M
Centralized exchange 3$1.8M
Payments 1$1.2M
Token 2$1M
Wallet 2$600K
Collapses and frauds, counted apart
1 cases, $25M.
Cite this page
SwanBluechip, "Crypto hacks and thefts, December 2023", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2023-12/ (data as of 2026-10-31).