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.

  • $104B+

    Total Value Lost

  • 3836

    Incidents Tracked

  • 124

    Chains Affected

  • 88

    $100M+ Incidents

Top 10 Biggest Hacks

Jump to full leaderboard
  1. 🥈

    Mantra

    $5.50B

  2. #4

    LuBian

    $3.50B

    bitcoin

  3. #8

    Thodex

    $2.00B

  4. #10

    Finiko

    $1.50B

Where the Largest Losses Concentrate

Top Chains by Losses

  • ethereum $9,731M
  • bitcoin $5,447M
  • bsc $2,997M
  • solana $1,694M
  • polygon $1,539M

Top Techniques by Losses

  • Other $61,131M
  • Rugpull $15,643M
  • Private Key Compromised (Brute Force) / Weak Key Generation $3,500M
  • Access Control $3,077M
  • Safe Multisig wallet Phishing Exploit / Access Control / Signer Phishing $1,635M

Full Leaderboard

Showing 201-250 of 3836 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
201 StableMagnet $27.0M binance, bsc Drained Contracts and User Wallets / Rugpull / Backdoor Contract View →
202 Truebit $26.5M ethereum Bonding Curve Exploit / Other / Arithmetic Error View →
203 Huobi $26.4M ethereum Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised Access Control Attacks View →
204 Fixed Float $26.1M - Access Control Access Control Attacks View →
205 MEV Boost Exploit $26.1M - Other View →
206 FixedFloat $26.1M bitcoin, ethereum Private Key Compromised / Key Leaked via Infrastructure Access Control Attacks View →
207 Kronos Research $26.0M ethereum API Key unauthorized access / API Key Compromised View →
208 Coinbin $26.0M ethereum Access Control / Admin Drain Access Control Attacks View →
209 Whale Wallet Drain $25.6M - Phishing Phishing Attacks View →
210 ThalaSwap $25.5M aptos Drained Liquidity Pool / Missing Input Validation View →
211 Lendf.me $25.2M ethereum Reentrancy / Other Reentrancy View →
212 Indodax $25.2M ethereum, optimism, polygon Access Control Exploit / Other / Key Leaked via Infrastructure Access Control Attacks View →
213 Resolv Labs $25.0M - - View →
214 Resolv $25.0M ethereum Private Key Compromised / Access Control / Key Leaked via Infrastructure Access Control Attacks View →
215 Thala Labs $25.0M - Other View →
216 dForce Lending $25.0M ethereum Reentrancy Reentrancy View →
217 Eth Contingency $25.0M - Rugpull View →
218 AFX Trade $24.1M - - View →
219 AFX $24.1M - Access Control Access Control Attacks View →
220 AFX Bridge $24.1M arbitrum Validator Key Compromised
221 Ostium $24.0M arbitrum Oracle Issue / Private Key Compromised Access Control Attacks View →
222 SBI Crypto $24.0M bitcoin, bitcoincash, doge, ethereum, litecoin Access Control / Hot Wallet Key Compromised Access Control Attacks View →
223 Ankr $24.0M bsc Access Control Exploit / Access Control / Improper Access Control Access Control Attacks View →
224 xToken $24.0M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
225 Bancor $23.5M ethereum Other / Hot Wallet Key Compromised View →
226 Bald $23.1M base Drained Liquidity Pool / Rugpull / Liquidity Rug View →
227 Coindroplet $23.1M - Phishing Phishing Attacks View →
228 Bitrue $23.0M - Hot wallet hack / Access Control / Hot Wallet Key Compromised Access Control Attacks View →
229 AlphaPo $22.9M - Access Control Access Control Attacks View →
230 Lykke $22.4M bitcoin, ethereum Other / Hot Wallet Key Compromised View →
231 Gala Games $22.3M - Access Control Access Control Attacks View →
232 Gala $22.3M ethereum Infinite Mint and Dump / Infinite Mint View →
233 Elephant Money $22.2M bsc Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
234 Pando Rings $22.0M mixin Price Oracle Attack / Spot Price Manipulation Oracle Manipulation & Price Manipulation View →
235 HTX $21.9M - Access Control Access Control Attacks View →
236 Blizz Finance $21.8M avalanche Outdated Oracle Exploit / Stale Oracle Price Oracle Manipulation & Price Manipulation View →
237 Bilaxy $21.7M ethereum Access Control / Hot Wallet Key Compromised Access Control Attacks View →
238 BonkDAO $21.0M solana Access Control / Malicious Proposal Access Control Attacks View →
239 Hyperliquid User Private Key Compromise $21.0M - Access Control Access Control Attacks View →
240 FortuneWheel $21.0M - Other View →
241 DEXX $21.0M solana Private Key Compromised (Stored Publicly) / Other / Private Key Compromised Access Control Attacks View →
242 TBIS $21.0M - Rugpull View →
243 Freedom Protocol | Raccoon Network $20.8M - Rugpull View →
244 Popsicle Finance $20.7M ethereum Flashloan Incentive Rewards Exploit / Other / Reward Logic Flaw Flash Loan Attacks View →
245 Essence Finance $20.0M - Other View →
246 US Government Crypto Wallet $20.0M ethereum Private Key Compromised Access Control Attacks View →
247 UwU Lend $20.0M ethereum Flashloan Price Oracle Attack / Spot Price Manipulation Flash Loan Attacks View →
248 Sonne Finance $20.0M optimism Flashloan Donate Function Logic Exploit / Donation Attack Flash Loan Attacks View →
249 Sonne $20.0M - Other View →
250 MEV-Boost Relay $20.0M ethereum Key Leaked via Infrastructure

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.

Learn to Prevent High-Impact Smart Contract Hacks

$104B+ lost to preventable vulnerabilities. Master real exploit patterns and defense techniques with hands-on Web3 security training.