Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 1 | LULA Token Flash Loan Attacks | $578K | — | Flash Loan Attack | ||
| 2 | Steakhouse Financial Risk Parameter Abuse | $920K | ethereum | Risk Parameter Abuse | ||
| 3 | warp.green Bridge Logic Flaw | $93K | chia, ethereum | Bridge Logic Flaw | ||
| 4 | Term Labs Other | $8.5M | — | Other | ||
| 5 | Arrakis V1 Oracle Manipulation & Price Manipulation | $7K | ethereum | Spot Price Manipulation | ||
| 6 | TermFinance Vaults Flash Loan Attacks | $8.5M | ethereum | Malicious Proposal | ||
| 7 | TAC Withdrawal Logic Flaw | $7.5M | tac | Withdrawal Logic Flaw | ||
| 8 | The Sandbox Access Control Attacks | $675K | base, bsc… | Access Control / Improper Access Control | ||
| 9 | Blockchain Intelligence Hunger Games | $94.6M | — | — | ||
| 10 | Allbridge Bridge Logic Flaw | $191K | base | Bridge Logic Flaw | ||
| 11 | Maya Protocol Withdrawal Logic Flaw | $1.7M | mayachain | Withdrawal Logic Flaw | ||
| 12 | Harmony | $3.2M | — | — | ||
| 13 | Fox Market Oracle Manipulation & Price Manipulation | $120K | bsc | Spot Price Manipulation | ||
| 14 | Fox Flash Loan Attacks | $678K | — | Flash Loan Attack | ||
| 15 | Coinsbuy | $8.1M | — | — | ||
| 16 | Whale Wallet Drain Phishing Attacks | $25.6M | — | Phishing | ||
| 17 | Cold Card | $130M | — | — | ||
| 18 | Harmony Other | $300K | — | Other | ||
| 19 | Harmony Bridge Bridge Logic Flaw | $3.2M | harmony | Bridge Logic Flaw | ||
| 20 | Coinsbuy Access Control Attacks | $8.1M | ethereum, tron | Access Control / Improper Access Control | ||
| 21 | USM Arithmetic Error | $136K | ethereum | Arithmetic Error | ||
| 22 | Coreum Bridge Bridge Logic Flaw | $200K | coreum, xrpl | Bridge Logic Flaw | ||
| 23 | Coreum Other | $200K | — | Other | ||
| 24 | Oraichain Unbacked Cross-Chain Mint | $1.0M | oraichain | Unbacked Cross-Chain Mint | ||
| 25 | Atomic Green Signature Replay | $30K | arbitrum | Signature Replay | ||
| 26 | Ravencoin Missing Input Validation | — | ravencoin | Missing Input Validation | ||
| 27 | RRWallet Weak Key Generation | $2.0M | bitcoin | Weak Key Generation | ||
| 28 | Hyperliquid Malaysia Access Control Attacks | — | solana | Private Key Compromised | ||
| 29 | Panther Protocol Malicious Proposal | $8K | base | Malicious Proposal | ||
| 30 | Unistreets Access Control Attacks | $18K | ethereum | 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.