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.

  • $101B+

    Total Value Lost

  • 3299

    Incidents Tracked

  • 74

    Chains Affected

  • 80

    $100M+ Incidents

Top 10 Biggest Hacks

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  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 $8,051M
  • bitcoin $4,415M
  • bsc $2,657M
  • solana $1,605M
  • polygon $1,512M

Top Techniques by Losses

  • Other $61,553M
  • Rugpull $15,684M
  • Access Control $4,030M
  • Private Key Compromised (Brute Force) $3,500M
  • Safe Multisig wallet Phishing Exploit / Access Control $1,635M

Full Leaderboard

Showing 1851–1900 of 3299 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
1851 SafeMoonX $25K - Rugpull View →
1852 MutantNFTs $25K - Other View →
1853 Verify $25K - Rugpull
1854 RUL3R Token $25K ethereum Rugpull View →
1855 PlantWorld $24K - Flash Loan Attack Flash Loans Attacks View →
1856 NarutoSwap $24K binance Rugpull View →
1857 DefiBox $24K - Other View →
1858 Static $24K ethereum Rugpull
1859 Fire Token $24K - Other View →
1860 Symbiosis $24K - Rugpull View →
1861 Pacific Protocol $24K ethereum Rugpull View →
1862 loveloverocket $23K - Rugpull View →
1863 NanoCore $23K ethereum Abandoned
1864 Game Swap Exchange $23K ethereum Rugpull View →
1865 Boost $23K ethereum Rugpull
1866 Zap Finance $22K binance Rugpull View →
1867 Dynamic $22K - Reentrancy Reentrancy View →
1868 DOGETAMA $22K - Rugpull
1869 OpenOcean $22K - Other View →
1870 Fortunas Finance $22K - Other View →
1871 SpaceX Copycat $22K - Rugpull View →
1872 CoinSWOP $21K ethereum Rugpull View →
1873 Cool Cats $21K - Rugpull
1874 Rubick Finance $21K ethereum Rugpull View →
1875 CatDog $20K ethereum Rugpull View →
1876 VeloraDEX $20K - Other View →
1877 Smashcash $20K - Other View →
1878 KoiSwap $20K binance Rugpull
1879 Mosca $20K - Other View →
1880 Ownly $19K - Reentrancy Reentrancy View →
1881 Thunder Finance $19K binance Rugpull View →
1882 Raga Finance $18K hyperliquid l1 HyperEVM Delta Neutral Exploit View →
1883 BlackGold $18K - Other View →
1884 Jaypeggerz $18K - Flash Loan Attack Flash Loans Attacks View →
1885 Peace doge X $18K - Rugpull View →
1886 Ubitex $18K - Rugpull View →
1887 BIGO $18K - Other View →
1888 SpiritSwap $18K - Phishing Phishing Attacks View →
1889 MiniVault.Finance $17K ethereum Rugpull View →
1890 Neoteric Finance $17K - Rugpull View →
1891 Degen Millionares Club $17K - Access Control Access Control Attacks View →
1892 402bridge $17K base Private Key Compromised (Stored Publicly) / Access Control Access Control Attacks View →
1893 Dipex $17K ethereum Rugpull View →
1894 Venus Token $17K - Other
1895 Bank Protocol $17K ethereum Rugpull View →
1896 Yearn Hold Finance $17K ethereum Honeypot View →
1897 True Seigniorage Dollar $17K ethereum Rugpull View →
1898 Dragonball $16K - Flash Loan Attack Flash Loans Attacks View →
1899 Solend $16K - Other View →
1900 Ethereum Hive $16K - Other 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.

Learn to Prevent High-Impact Smart Contract Hacks

$101B+ lost to preventable vulnerabilities. Master real exploit patterns and defense techniques with hands-on Web3 security training.