Hack history / Monthly reports / 2023-04
Crypto hacks and thefts, April 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
$157.3M
39 thefts
vs the month before
−52%
−52% ($327.1M)
vs a year earlier
−63%
−63% ($421.5M)
Largest thefts
MEV Bots 03 · Sandwich Attack$25MBitrue 14 · Hot Wallet Key Compromised$23MMEV-Boost Relay 03 · Key Leaked via Infrastructure$20MAT&T customers suffer crypto wallet compromises reportedly totaling $15–$20 million 26 · Hack or exploit$15MGDAC 09 · Hot Wallet Key Compromised$13MYearn Finance 13 · Oracle Misconfiguration$11.6MCrypto researcher identifies massive wallet draining operation 18 · Hack or exploit$9.9MIndividuals lose millions in "permit phishing" scams 30 · Scam$7.8MHundred Finance 15 · Donation Attack$7.2MNFT collector Franklin claims to have been scammed for 2,000 ETH ($4.2 million) 13 · Scam$4.2M
How attackers got in
Keys, accounts and infrastructure 5$56M
Other 6$26.7M
Bridge and cross-chain 4$26M
Smart contract bug 12$17.5M
Price, oracle and governance 3$13.6M
Phishing and scams 3$12M
Insiders: rug pulls, frauds, collapses 6$5.5M
By chain
Ethereum 16$106.9M
not stated 11$41M
Optimism 2$10.5M
Polygon 2$5.3M
Arbitrum 5$4.8M
BNB Chain 5$4.7M
Terra 1$4M
Avalanche 1$3.3M
By target
not stated 20$67.4M
Centralized exchange 4$36M
DeFi protocol 12$33.5M
Other 1$20M
Gaming 1$280K
Bridge 1$0
Collapses and frauds, counted apart
3 cases, $10.5M.
Cite this page
SwanBluechip, "Crypto hacks and thefts, April 2023", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2023-04/ (data as of 2026-10-31).