Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 91 | Pepe Trump Rugpull | $38K | — | Rugpull | ||
| 92 | SecondFi | $2.4M | — | — | ||
| 93 | AIDCToken Other | $121K | — | Other | ||
| 94 | AIDC Arithmetic Error | $121K | bsc | Arithmetic Error | ||
| 95 | Secret Network | $4.7M | — | — | ||
| 96 | Polymarket International Frontend Compromise | $3.0M | polygon | Frontend Compromise | ||
| 97 | Lixir Finance Signature Verification Flaw | $12K | ethereum | Signature Verification Flaw | ||
| 98 | Ocean Protocol Deposit Logic Flaw | $128K | polygon | Deposit Logic Flaw | ||
| 99 | Polymarket Other | $3.0M | — | Other | ||
| 100 | DLMC Oracle Manipulation & Price Manipulation | $223K | bsc | Spot Price Manipulation | ||
| 101 | Aztec Bridge | $2.2M | — | — | ||
| 102 | SecondFi Weak Key Generation | $2.4M | cardano | Weak Key Generation | ||
| 103 | Royal.io Incorrect Share Accounting | $263K | polygon | Incorrect Share Accounting | ||
| 104 | Quicksilver Zone Unbacked Mint | $4K | quicksilver | Unbacked Mint | ||
| 105 | Taiko Bridge Forged Proof | $1.7M | taiko | Forged Proof | ||
| 106 | Taiko Other | $1.7M | — | Other | ||
| 107 | LABUBU/OLPC Decimal Miscalculation | $1.1M | bsc | Decimal Miscalculation | ||
| 108 | JaredFromSubway.eth MEV Bot MEV Bot Drained | $7.5M | ethereum | MEV Bot Drained | ||
| 109 | Namada Shielded Pools Unbacked Cross-Chain Mint | $600K | namada | Unbacked Cross-Chain Mint | ||
| 110 | JB Oracle Manipulation & Price Manipulation | $50K | bsc | Spot Price Manipulation | ||
| 111 | mySwap CL Incorrect Share Accounting | $305K | starknet | Incorrect Share Accounting | ||
| 112 | Secret Network Unbacked Cross-Chain Mint | $4.7M | secret | Unbacked Cross-Chain Mint | ||
| 113 | Aztec Other | $2.0M | — | Other | ||
| 114 | Aztec Connect | $2.3M | — | — | ||
| 115 | Aztec Bridge Bridge Logic Flaw | $2.0M | ethereum | Bridge Logic Flaw | ||
| 116 | Little Boy Plus Arithmetic Error | $367K | bsc | Arithmetic Error | ||
| 117 | DIP Swap Logic Flaw | $111K | bsc | Swap Logic Flaw | ||
| 118 | RetoSwap Malicious Proposal | $2.7M | monero | Malicious Proposal | ||
| 119 | Humanity Protocol | $36.4M | — | — | ||
| 120 | Thetanuts Finance Flash Loan Attacks | $2.1M | ethereum | Flash Loan Attack / Rounding Error |
Data sourced from DefiLlama & SunWeb3Sec/DeFiHackLabs . Thank you for keeping Web3 security data open.
Hack Radar
Fresh DeFi incidents the moment they land in our database. Verified by trusted sources; auto-ingested entries are flagged for review.
Explore by Attack Type
Access Control Attacks
Arithmetic Overflow & Underflow Attacks
Delegatecall & Call Injection Attacks
Flash Loan Attacks
Oracle Manipulation & Price Manipulation
Reentrancy
DAO Governance Attacks
Frontrunning & Sandwich Attacks
Phishing Attacks
DOS Attacks
Replay Attacks
Self-Destruct Attacks
Sensitive On-Chain Data
Weak Randomness Attacks
Unchecked Return Value Attacks
Timestamp Manipulation Attacks
Understanding Smart Contract Vulnerabilities
Smart contract vulnerabilities remain the leading cause of DeFi protocol losses, with over $10 billion stolen since 2016. Understanding attack vectors like reentrancy, flash loans, and oracle manipulation is essential for every blockchain developer and security researcher.
Each incident in our database is categorized by attack class and linked to our in-depth vulnerability guides, making this the most educational Web3 hacks tracker available. Want a quick ranking? See the most expensive crypto hacks leaderboard.
Learn how these hacks actually worked
Study the exploit patterns behind the incidents in this database, then practice finding them before attackers do.