Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 151 | Wemix Access Control Attacks | $6.2M | wemix | Private Key Compromised | ||
| 152 | Infini Access Control Attacks | $50.0M | ethereum | Dev Privilege Oversight Exploit / Access Control / Private Key Compromised | ||
| 153 | Bybit Access Control Attacks | $1.4B | ethereum | Safe Multisig wallet Phishing Exploit / Access Control / Signer Phishing | ||
| 154 | Cardex Access Control Attacks | $400K | abstract | Private Key Compromised (Session signer) / Signature Verification Flaw | ||
| 155 | DogWifTools Access Control Attacks | $10.0M | solana | Private Key Compromised (Malware) / Key Stored Publicly | ||
| 156 | Phemex Access Control Attacks | $85.0M | arbitrum, avalanche… | Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised | ||
| 157 | Moby Access Control Attacks | $1.5M | arbitrum | Private Key Compromised (Unknown Method) / Private Key Compromised | ||
| 158 | Orange Finance Access Control Attacks | $840K | arbitrum | Private Key Compromised (Unknown Method) / Access Control / Private Key Compromised | ||
| 159 | Moby Trade Access Control Attacks | $2.5M | — | Access Control | ||
| 160 | MoonHacker Access Control Attacks | $300K | optimism | Unchecked FlashLoan Approve Exploit / Token Approval Abuse | ||
| 161 | Fegex Access Control Attacks | $1.1M | base, bsc… | Missing Access Control / Cross-Chain Message Spoofing | ||
| 162 | BTC24H Access Control Attacks | $86K | polygon | Access Control Exploit / Access Control / Improper Access Control | ||
| 163 | Spectral Labs Access Control Attacks | $250K | ethereum | Bonding Curve Exploit / Token Approval Abuse | ||
| 164 | XT Exchange Access Control Attacks | $1.7M | ethereum | Access Control / Hot Wallet Key Compromised | ||
| 165 | NFTG Access Control Attacks | $10K | bsc | Improper Access Control | ||
| 166 | AK1111 Access Control Attacks | $32K | bsc | Improper Access Control | ||
| 167 | MainnetSettler Access Control Attacks | $66K | ethereum | Token Approval Abuse | ||
| 168 | $2M Coin Poker Access Control Attacks | $2.0M | — | Access Control | ||
| 169 | DEXX Access Control Attacks | $21.0M | solana | Private Key Compromised (Stored Publicly) / Private Key Compromised | ||
| 170 | X319 Access Control Attacks | $13K | bsc | Improper Access Control | ||
| 171 | CoW Access Control Attacks | $59K | ethereum | Improper Access Control | ||
| 172 | Metawin Access Control Attacks | $4.4M | ethereum, solana | Access Control / Key Leaked via Infrastructure | ||
| 173 | M2 Access Control Attacks | $13.7M | — | Access Control | ||
| 174 | Sunray Access Control Attacks | $2.9M | — | Access Control | ||
| 175 | M2 Exchange Access Control Attacks | $13.7M | bitcoin, ethereum… | Access Control Exploit / Hot Wallet Key Compromised | ||
| 176 | 1inch Access Control Attacks | $723K | avalanche | Private Key Compromised (Supply Chain Attack) / Supply Chain Attack | ||
| 177 | SUNRAY·FINANCE Access Control Attacks | $2.9M | arbitrum | Private Key Compromised | ||
| 178 | US Government Crypto Wallet Access Control Attacks | $20.0M | ethereum | Private Key Compromised | ||
| 179 | Erc20transfer Access Control Attacks | $15K | ethereum | Improper Access Control | ||
| 180 | Tapioca DAO Access Control Attacks | $4.7M | arbitrum | Private Key Compromised (Social Engineering) / Access Control / Impersonation Scam |
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.