Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 151 | ONTR Access Control Attacks | $98K | ethereum | Ownership Takeover | ||
| 152 | New Market Trading | $4.0M | — | — | ||
| 153 | SUPERFORTUNE AI Access Control Attacks | $15.2M | ethereum | Improper Access Control | ||
| 154 | Stake DAO Access Control Attacks | $91K | arbitrum | Access Control / Deployer Key Compromised | ||
| 155 | SKP Incorrect Share Accounting | $212K | bsc | Incorrect Share Accounting | ||
| 156 | Bitmor Access Control Attacks | $6K | base | Token Approval Abuse | ||
| 157 | New Market Trading Access Control Attacks | $4.0M | arbitrum, base… | Improper Access Control | ||
| 158 | WUSD.fi Flash Loan Attacks | $207K | ethereum | Flash Loan Attack / Reward Logic Flaw | ||
| 159 | Third-party SquidRouterModule Access Control Attacks | $3.2M | — | Access Control | ||
| 160 | Fractal Protocol Reentrancy | $14K | arbitrum | Reentrancy | ||
| 161 | StablR Access Control Attacks | $12.8M | — | Access Control | ||
| 162 | StablR Access Control Attacks | $2.8M | ethereum | Private Key Compromised | ||
| 163 | Mure Signature Verification Flaw | $12K | ethereum | Signature Verification Flaw | ||
| 164 | Polymarket Access Control Attacks | $700K | polygon | Private Key Compromised | ||
| 165 | THORChain | $10.7M | — | — | ||
| 166 | MAP Protocol Infinite Mint | $110K | bsc, ethereum | Infinite Mint | ||
| 167 | RetoSwap Missing Input Validation | $2.7M | monero | Missing Input Validation | ||
| 168 | HermesVault Withdrawal Logic Flaw | $30K | algorand | Withdrawal Logic Flaw | ||
| 169 | ElevateFi Oracle Manipulation & Price Manipulation | $16K | polygon | Spot Price Manipulation | ||
| 170 | Bankr Session Key Compromised | $170K | base | Session Key Compromised | ||
| 171 | Echo Protocol Access Control Attacks | $816K | — | Access Control | ||
| 172 | Echo Bridge Access Control Attacks | $821K | monad | Private Key Compromised | ||
| 173 | Verus Other | $11.6M | — | Other | ||
| 174 | Verus-Ethereum Bridge Forged Proof | $11.5M | verus | Forged Proof | ||
| 175 | SEA Token Oracle Manipulation & Price Manipulation | $153K | arbitrum | Spot Price Manipulation | ||
| 176 | MetaSea Withdrawal Logic Flaw | $110K | arbitrum | Withdrawal Logic Flaw | ||
| 177 | Adshares Forged Proof | $628K | ethereum | Forged Proof | ||
| 178 | THORChain Bridge Logic Flaw | $10.7M | base, bitcoin… | Bridge Logic Flaw | ||
| 179 | TrustedVolumes | $5.9M | — | — | ||
| 180 | ShapeShift FOX Colony Access Control Attacks | $133K | arbitrum | Arbitrary External Call |
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.