Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 31 | StablR Access Control Attacks | $12.8M | — | Access Control | ||
| 32 | StablR Access Control Attacks | $2.8M | ethereum | Private Key Compromised | ||
| 33 | Polymarket Access Control Attacks | $700K | polygon | Private Key Compromised | ||
| 34 | Echo Protocol Access Control Attacks | $816K | — | Access Control | ||
| 35 | Echo Bridge Access Control Attacks | $821K | monad | Private Key Compromised | ||
| 36 | ShapeShift FOX Colony Access Control Attacks | $133K | arbitrum | Arbitrary External Call | ||
| 37 | Transit Finance Access Control Attacks | $1.9M | tron | Improper Access Control | ||
| 38 | Aurellion Access Control Attacks | $456K | arbitrum | Access Control / Uninitialized Proxy | ||
| 39 | SQ Protocol Access Control Attacks | $346K | bsc | Improper Access Control | ||
| 40 | Ink Finance Access Control Attacks | $140K | polygon | Access Control / Caller Impersonation | ||
| 41 | Huma Finance V2 Access Control Attacks | $101K | polygon | Improper Access Control | ||
| 42 | Renegade Access Control Attacks | $209K | arbitrum | Access Control / Uninitialized Proxy | ||
| 43 | TrustedVolumes Access Control Attacks | $6.7M | ethereum | Caller Impersonation | ||
| 44 | Ekubo Access Control Attacks | $1.4M | ethereum | Token Approval Abuse | ||
| 45 | Ekubo Protocol Access Control Attacks | $1.4M | — | Access Control | ||
| 46 | SquidRouterModule Access Control Attacks | $3.2M | base, ethereum | Improper Access Control | ||
| 47 | Wasabi Access Control Attacks | $5.5M | base, berachain… | Access Control / Deployer Key Compromised | ||
| 48 | Syndicate Access Control Attacks | $400K | base | Access Control / Bridge Logic Flaw | ||
| 49 | Quant Access Control Attacks | $138K | ethereum | Arbitrary External Call | ||
| 50 | YieldCore Access Control Attacks | $399K | ethereum | Improper Access Control | ||
| 51 | ZetaChain Access Control Attacks | $334K | arbitrum, avalanche… | Access Control / Token Approval Abuse | ||
| 52 | Purrlend Access Control Attacks | $1.5M | hyperliquid l1, megaeth | Access Control / Caller Impersonation | ||
| 53 | Giddy Access Control Attacks | $1.3M | ethereum | Access Control / Incomplete Signature Coverage | ||
| 54 | Volo Vault Access Control Attacks | $3.5M | sui | Private Key Compromised | ||
| 55 | Benqi Staked Avax Access Control Attacks | $64K | avalanche | Arbitrary External Call | ||
| 56 | Custom sAVAX Rebalancer Access Control Attacks | $64K | avalanche | Arbitrary External Call | ||
| 57 | Kelp DAO Access Control Attacks | $293M | arbitrum, ethereum | Access Control / Cross-Chain Message Spoofing | ||
| 58 | SubQuery Network Access Control Attacks | $134K | base | Access Control Exploit / Improper Access Control | ||
| 59 | Aethir Access Control Attacks | $423K | bsc | Access Control Exploit / Improper Access Control | ||
| 60 | SquidMulticall Approval Exploitation Access Control Attacks | $517K | — | Access Control |
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.