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 1751–1800 of 3299 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
1751 Leo Finance $42K - Other View →
1752 iProtocol $42K ethereum Rugpull View →
1753 DualPools $41K - Flash Loan Attack Flash Loans Attacks View →
1754 SLS $41K - Rugpull View →
1755 Doge Twitter Token $41K - Rugpull View →
1756 Midgets Token $41K - Rugpull View →
1757 Mango Inu $40K - Rugpull View →
1758 StarFinancial $40K - Rugpull
1759 DIMO $40K ethereum Private Key Compromised / Access Control Access Control Attacks View →
1760 MotherOfAllMemes $40K - Rugpull View →
1761 PCORE $40K - Rugpull View →
1762 Lottery Swap $40K - Rugpull View →
1763 Block Chain Games $40K - Rugpull View →
1764 TheCatWorld $39K - Rugpull View →
1765 DAO ventures $39K - Other View →
1766 EDAO $39K - Rugpull View →
1767 Friendchips.tech $39K - Rugpull View →
1768 Trojan Wallet $39K - Other View →
1769 Galaxy DeFi $39K ethereum Honeypot View →
1770 Pepe Trump $38K - Rugpull View →
1771 Dracula $38K - Rugpull View →
1772 Unlock Protocol $38K - Other View →
1773 MystenLabs $38K - Rugpull View →
1774 RAIDEN GOD Thunder $38K - Rugpull View →
1775 Mars Farm $38K binance Rugpull View →
1776 Lets Go Farming Token $37K - Rugpull
1777 BitPaid $37K - Rugpull View →
1778 Hyperliquid $37K arbitrum CEX Price Manipulation Attack Oracle Manipulation & Price Manipulation View →
1779 LiveArtX $37K - Access Control Access Control Attacks View →
1780 ANT Token $36K - Rugpull View →
1781 Orbit Swap $36K binance Rugpull View →
1782 LunaFI $36K - Other View →
1783 Bitcoin BSC $36K - Rugpull View →
1784 Solv3 network $36K ethereum Rugpull View →
1785 Cryptoger Club $35K - Rugpull View →
1786 SAUDI Token $35K - Rugpull View →
1787 LGT $35K - Rugpull View →
1788 Skate Metaverse $35K - Rugpull View →
1789 Hype Bet $35K ethereum Rugpull View →
1790 DG $34K - Rugpull View →
1791 OKO TOKEN $34K ethereum Honeypot View →
1792 Void.Cash $34K - Rugpull View →
1793 Holy Trinity $34K ethereum Rugpull View →
1794 AIRWA $34K - Other View →
1795 Iwr token $34K - Rugpull View →
1796 AkiInuToken $34K - Rugpull View →
1797 Yearnspace $34K ethereum Rugpull View →
1798 Loop X Network $34K - Rugpull
1799 MinterPro $34K binance Rugpull View →
1800 fren $34K - Rugpull

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.