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Terra Classic
$40.00B
Most Expensive Crypto Hacks Leaderboard
The biggest Web3 and DeFi exploits ranked by amount lost. Track high-impact incidents, study attack patterns, and learn how security failures scale into multi-million dollar losses.
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$91B+
Total Value Lost
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3595
Incidents Tracked
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141
Chains Affected
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65
$100M+ Incidents
Top 10 Biggest Hacks
Where the Largest Losses Concentrate
Top Chains by Losses
Top Techniques by Losses
Full Leaderboard
Showing 251-300 of 3595 ranked incidents
| Rank | Project | Amount Lost | Date | Chain | Technique | Attack Guide | Source |
|---|---|---|---|---|---|---|---|
| 251 | Blend Protocol | $10.9M | stellar | Oracle Issue / Price Oracle Manipulation / Spot Price Manipulation | Oracle Manipulation & Price Manipulation | View → | |
| 252 | BearnFi | $10.9M | binance, bsc | Flashloan Withdraw Logic Exploit / Withdrawal Logic Flaw / Flash Loan Attack | Flash Loan Attacks | View → | |
| 253 | THORChain | $10.7M | base, bitcoin, bsc, ethereum | Other / Bridge Logic Flaw | — | View → | |
| 254 | Kraken | $10.5M | bitcoin | Access Control / Improper Access Control | Access Control Attacks | View → | |
| 255 | Wanchain | $10.0M | cardano | Other / Signature Verification Flaw | — | View → | |
| 256 | Syscoin Bridge | $10.0M | syscoin | Forged Proof | — | View → | |
| 257 | Gifto | $10.0M | - | Rugpull | — | View → | |
| 258 | Dego Finance | $10.0M | bsc, cronos, ethereum | Private Key Compromised (Unknown Method) / Deployer Key Compromised / Access Control | Access Control Attacks | View → | |
| 259 | Arbix Finance | $10.0M | bsc | Drained Contracts / Rugpull / Admin Drain | — | View → | |
| 260 | SharkTron | $10.0M | - | Rugpull | — | View → | |
| 261 | GateHub | $10.0M | ripple | Compromised access tokens | Access Control Attacks | View → | |
| 262 | Youbit | $10.0M | bitcoin | Other / Hot Wallet Key Compromised | — | View → | |
| 263 | Cryptsy | $9.9M | bitcoin, litecoin | Access Control / Private Key Compromised | Access Control Attacks | View → | |
| 264 | Pizza | $9.9M | eos | Other / Arithmetic Error | — | View → | |
| 265 | KiiChain | $9.7M | kiichain | Arithmetic Error | — | — | |
| 266 | Jeffrey Zirlin | $9.7M | - | Personal wallet-key compromise | Access Control Attacks | View → | |
| 267 | Resupply | $9.6M | ethereum | Price Oracle Manipulation / Other / Donation Attack | Oracle Manipulation & Price Manipulation | View → | |
| 268 | zkLend | $9.6M | starknet | Empty Market Exploit / Other / First Depositor Attack | Flash Loan Attacks | View → | |
| 269 | BreedTech | $9.4M | - | Rugpull | — | — | |
| 270 | Cover Protocol | $9.4M | ethereum | Incentives Function Mistake / Other / Arithmetic Error | — | View → | |
| 271 | MyAlgo | $9.2M | algorand | Cloudflare Key Compromised / CDN Compromise | — | View → | |
| 272 | Platypus Finance | $9.2M | avalanche | Collateral Withdrawal Solvency Error | — | View → | |
| 273 | Moola Market | $9.1M | celo | Price Oracle Attack / Other / Spot Price Manipulation | Oracle Manipulation & Price Manipulation | View → | |
| 274 | Astra Nova | $9.1M | ethereum | Private Key Compromised | Access Control Attacks | — | |
| 275 | Bonzo | $9.1M | hedera | Oracle Issue / Spot Price Manipulation | Oracle Manipulation & Price Manipulation | View → | |
| 276 | Yearn Ether | $9.0M | ethereum | yETH stablepool Exploit / Incorrect Share Accounting / Other | — | View → | |
| 277 | DCF | $9.0M | - | Other | — | View → | |
| 278 | dYdX V3 | $9.0M | ethereum | Price Manipulation Attack / Risk Parameter Abuse | Oracle Manipulation & Price Manipulation | View → | |
| 279 | Trade.io | $9.0M | - | Access Control | Access Control Attacks | View → | |
| 280 | Punk Protocol | $8.9M | ethereum | Delegatecall Exploit / Other / Delegatecall Hijack | Access Control Attacks | View → | |
| 281 | Safemoon | $8.9M | bsc | Access Control Exploit / Access Control / Improper Access Control | Access Control Attacks | View → | |
| 282 | Zoth ZeUSD | $8.8M | ethereum | Private Key Compromised (Unknown Method) / Private Key Compromised / Access Control | Access Control Attacks | View → | |
| 283 | Crema Finance | $8.8M | solana | Access Control Exploit / Other / Improper Access Control | Access Control Attacks | View → | |
| 284 | WOOFi Swap | $8.8M | arbitrum | Price Oracle Manipulation / Flash Loan Attack / Spot Price Manipulation | Flash Loan Attacks | View → | |
| 285 | Mt. Gox | $8.8M | bitcoin | Other / Improper Access Control | Access Control Attacks | View → | |
| 286 | Moonwell Lending | $8.7M | base | Spot Price Manipulation / Oracle Issue | Oracle Manipulation & Price Manipulation | View → | |
| 287 | Term Labs | $8.5M | ethereum | Malicious Proposal | Flash Loan Attacks | View → | |
| 288 | Trust Wallet | $8.5M | bitcoin, ethereum, solana | Private Key Compromised (Supply Chain Attack) / Access Control / Supply Chain Attack | Access Control Attacks | View → | |
| 289 | KiloEx | $8.4M | base, bsc, taiko | Missing keeper authorization | Access Control Attacks | View → | |
| 290 | Bunni V2 | $8.4M | ethereum, unichain | Withdrawal Rounding Error | — | View → | |
| 291 | MakerDAO | $8.3M | ethereum | Stale Oracle Price | Oracle Manipulation & Price Manipulation | — | |
| 292 | Gamma | $8.2M | ethereum | Access Control Exploit / Arithmetic Error / Reentrancy | Access Control Attacks | View → | |
| 293 | bZx | $8.1M | ethereum | Self-transfer balance duplication | — | View → | |
| 294 | Coinsbuy | $8.1M | ethereum, tron | Access Control / Improper Access Control | Access Control Attacks | View → | |
| 295 | IoTeX | $8.0M | ethereum | Private Key Compromised / Access Control / Validator Key Compromised | Access Control Attacks | View → | |
| 296 | Bittensor | $8.0M | - | Private Key Compromised (Supply Chain Attack) / Access Control / Malware | Access Control Attacks | View → | |
| 297 | HTX | $8.0M | ethereum | Private Key Compromised (Unknown Method) / Access Control / Hot Wallet Key Compromised | Access Control Attacks | View → | |
| 298 | BitKeep | $8.0M | - | Phishing | Phishing Attacks | View → | |
| 299 | Uniswap | $8.0M | ethereum | Phishing | Phishing Attacks | View → | |
| 300 | Thorchain DEX | $8.0M | ethereum | Refund Logic Exploit / Other / Withdrawal Logic Flaw | — | View → |
Data sourced from DefiLlama & SunWeb3Sec/DeFiHackLabs . Thank you for keeping Web3 security data open.
Understanding the Pattern Behind Billion-Dollar Losses
The most expensive crypto hacks are not random. They cluster around repeating vulnerability patterns: access-control failures, flash-loan manipulation, oracle abuse, and unsafe external calls. Studying large-loss incidents helps security researchers prioritize high-impact threat models first.
For deeper context, explore the full Web3 Hacks Dashboard and our Smart Contract Attack Library for hands-on exploit and mitigation breakdowns.
Frequently Asked Questions
How is this leaderboard ranked?
Incidents are ranked by parsed USD amount lost in descending order. Records without parseable loss values are excluded from this ranking.
Does this include every attack type?
It includes all incidents with known loss values in the database. Use the full dashboard for broader filtering and lower-severity incidents.
How can I learn to prevent these exploits?
Study attack-class pages first, then practice in guided exercises inside the Smart Contract Hacking course.
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