Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 211 | Purrlend Access Control Attacks | $1.5M | hyperliquid l1, megaeth | Access Control / Caller Impersonation | ||
| 212 | KelpDao | $290M | — | — | ||
| 213 | Giddy Access Control Attacks | $1.3M | ethereum | Access Control / Incomplete Signature Coverage | ||
| 214 | Kipseli Missing Input Validation | $72K | base | Missing Input Validation | ||
| 215 | Volo Other | $3.5M | — | Other | ||
| 216 | Volo Vault Access Control Attacks | $3.5M | sui | Private Key Compromised | ||
| 217 | Rhea Finance | $18.4M | — | — | ||
| 218 | Juicebox V3 Missing Input Validation | $52K | ethereum | Missing Input Validation | ||
| 219 | Transit Finance Unknown | $258K | ethereum | Unknown | ||
| 220 | Thetanuts Finance First Depositor Attack | $50K | ethereum | First Depositor Attack | ||
| 221 | Custom sAVAX Rebalancer Access Control Attacks | $64K | avalanche | Arbitrary External Call | ||
| 222 | Benqi Staked Avax Access Control Attacks | $64K | avalanche | Arbitrary External Call | ||
| 223 | Kelp DAO Access Control Attacks | $293M | arbitrum, ethereum | Access Control / Cross-Chain Message Spoofing | ||
| 224 | Hyperbridge | $2.5M | — | — | ||
| 225 | Grinex Hot Wallet Key Compromised | $13.7M | ethereum, tron | Hot Wallet Key Compromised | ||
| 226 | Rhea Lend Oracle Manipulation & Price Manipulation | $18.4M | near | Spot Price Manipulation | ||
| 227 | Rhea Finance Other | $18.4M | — | Other | ||
| 228 | CoW Swap DNS Hijack | $1.2M | ethereum | DNS Hijack | ||
| 229 | Zerion Wallet Phishing Attacks | $100K | — | Hot Wallet Compromise via Social Engineering / Phishing | ||
| 230 | Dango Donate Negative Amounts Hack / Missing Input Validation | $1.9M | dango | Donate Negative Amounts Hack / Missing Input Validation | ||
| 231 | MONA BurnAddress Accounting Exploit / Incorrect Share Accounting | $61K | bsc | BurnAddress Accounting Exploit / Incorrect Share Accounting | ||
| 232 | Hyperbridge Fake State Proof / Forged Proof | $2.5M | arbitrum, base… | Fake State Proof / Forged Proof | ||
| 233 | SubQuery Network Access Control Attacks | $134K | base | Access Control Exploit / Improper Access Control | ||
| 234 | Drift Protocol | $1.0M | — | — | ||
| 235 | Aethir Access Control Attacks | $423K | bsc | Access Control Exploit / Improper Access Control | ||
| 236 | Hyperliquid Other | $1.5M | — | Other | ||
| 237 | SquidMulticall Access Control Attacks | $517K | arbitrum, avalanche… | Improper Access Control | ||
| 238 | Resolv Labs | $25.0M | — | — | ||
| 239 | SquidMulticall Approval Exploitation Access Control Attacks | $517K | — | Access Control | ||
| 240 | Denaria Oracle Manipulation & Price Manipulation | $166K | linea | Spot Price Manipulation |
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.