Hack history / Monthly reports / 2025-10
Crypto hacks and thefts, October 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
$49M
16 thefts
vs the month before
−62%
−62% ($129.3M)
vs a year earlier
−67%
−67% ($150.3M)
Largest thefts
Hyperliquid user loses $21 million to private key leak 10 · Hack or exploit$21MGarden 30 · Key Leaked via Infrastructure$11MAstra Nova 19 · Private Key Compromised$9.1MTypus Perp 15 · Oracle Misconfiguration$3.4MAbracadabra Spell 04 · Improper Access Control$1.8MMIMSpell3 04 · Bypassed Insolvency Check$1.7MAstera.fi 09 · Incorrect Share Accounting$573KDoodiPals 21 · Private Key Compromised$171KSharwa.Finance 20 · Swap Logic Flaw$146KTokenHolder 08 · Improper Access Control$26K
How attackers got in
Other 3$22.7M
Keys, accounts and infrastructure 6$20.3M
Price, oracle and governance 1$3.4M
Smart contract bug 4$2.5M
Phishing and scams 2$18K
By chain
Ethereum 4$23.6M
Hyperliquid 1$21M
Solana 3$11.2M
Arbitrum 2$11.1M
Base 2$11M
Bitcoin 1$11M
Sui 1$3.4M
Linea 1$573K
By target
not stated 7$22.7M
DeFi protocol 6$17M
AI Agent 1$9.1M
Token 2$197K
Collapses and frauds, counted apart
1 cases, $11M.
Cite this page
SwanBluechip, "Crypto hacks and thefts, October 2025", Crypto hack history, https://swan-hack-tracker.pages.dev/history/m/2025-10/ (data as of 2026-10-31).