Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 391 | Aqua Rugpull | $4.7M | — | Rugpull | ||
| 392 | SwissBorg Third-party API compromise / API Key Compromised | $41.5M | solana | Third-party API compromise / API Key Compromised | ||
| 393 | Nemo Oracle Manipulation & Price Manipulation | $2.4M | — | Oracle Issue | ||
| 394 | Nemo Yield Trading Access Control Attacks | $2.6M | sui | Price Oracle Manipulation / Improper Access Control | ||
| 395 | Venus Phishing Attacks | $13.0M | — | Phishing | ||
| 396 | Bunni V2 Liquidity Distribution Function Exploit / Rounding Error | $8.4M | ethereum, unichain | Liquidity Distribution Function Exploit / Rounding Error | ||
| 397 | OlaXBT Access Control Attacks | $2.0M | bsc | Multisig wallet Social Engineering Exploit / Access Control / Signer Phishing | ||
| 398 | Cozy Finance Access Control Attacks | $427K | — | Access Control | ||
| 399 | Cozy V2 Insufficient Sender Verification Exploit / Missing Input Validation | $427K | optimism | Insufficient Sender Verification Exploit / Missing Input Validation | ||
| 400 | BetterBank Infinite Mint and Dump / Reward Logic Flaw | $5.0M | pulsechain | Infinite Mint and Dump / Reward Logic Flaw | ||
| 401 | Panoptic V1.1 Hash Collision | — | base, ethereum… | Hash Collision | ||
| 402 | Phishing Phishing Attacks | $750K | — | Phishing | ||
| 403 | Phishing Phishing Attacks | $91.0M | — | Phishing | ||
| 404 | BtcTurk Access Control Attacks | $48.0M | arbitrum, avalanche… | Private Key Compromised / Access Control / Hot Wallet Key Compromised | ||
| 405 | Grizzifi Reward Logic Flaw | $61K | bsc | Reward Logic Flaw | ||
| 406 | Coinbase Access Control Attacks | $300K | ethereum | MEV composability attack / Token Approval Abuse | ||
| 407 | Odin.Fun Oracle Manipulation & Price Manipulation | $7.0M | icp | Liquidity Manipulation Exploit / Oracle Issue / Spot Price Manipulation | ||
| 408 | numa. NumaVault Exploit / Incorrect Share Accounting | $320K | sonic | NumaVault Exploit / Incorrect Share Accounting | ||
| 409 | Phishing Phishing Attacks | $3.0M | — | Phishing | ||
| 410 | CrediX Access Control Attacks | $4.5M | sonic | Private Key Compromised / Access Control | ||
| 411 | SuperRare Access Control Attacks | $730K | ethereum | updateMerkleRoot Access Control Exploit / Access Control / Merkle Proof Forgery | ||
| 412 | WOO X Phishing Attacks | $14.0M | arbitrum, bitcoin… | Social Engineering / Phishing | ||
| 413 | Trusta AI Other | $615K | — | Other | ||
| 414 | Stepp2p Unknown | $43K | bsc | Unknown | ||
| 415 | CoinDCX Access Control Attacks | $44.2M | — | Access Control / Hot Wallet Key Compromised | ||
| 416 | BigONE Access Control Attacks | $28.0M | bitcoin, bsc… | Access Control / Supply Chain Attack | ||
| 417 | Arcadia Finance Other | $2.5M | — | Other | ||
| 418 | Arcadia V2 Reentrancy | $2.5M | base | Rebalancer contract reentrancy hack / Reentrancy | ||
| 419 | Pundi AI Access Control Attacks | $6.0M | — | Access Control | ||
| 420 | Kinto Bridge Access Control Attacks | $1.6M | arbitrum | ERC1967Proxy Backdoor Hijack / Uninitialized Proxy |
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.