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

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 $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 401–450 of 3299 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
401 Audius $6.0M ethereum Malicious Governance Proposal Dao Governance Attacks View →
402 My Big Coin $6.0M - Rugpull View →
403 Kronos Dao $6.0M - Other View →
404 Wasabi Protocol $5.9M - - View →
405 MapleChange $5.9M - Other View →
406 TrustedVolumes $5.9M - - View →
407 Loopscale $5.8M solana Price Oracle Manipulation / Other Oracle Manipulation & Price Manipulation View →
408 Lodestar Finance $5.8M - Flash Loan Attack Flash Loans Attacks View →
409 Inverse Finance Frontier $5.8M ethereum Flashloan Price Oracle Attack Flash Loans Attacks View →
410 Squid Game $5.7M - Rugpull View →
411 Roll $5.7M ethereum Private Key Compromised (Unknown Method) / Access Control Access Control Attacks View →
412 XSURGE $5.6M - Flash Loan Attack Flash Loans Attacks View →
413 Wasabi $5.5M - Access Control Access Control Attacks View →
414 Agave $5.5M gnosis chain Flashloan Reentrancy Attack / Other Flash Loans Attacks View →
415 Gravity Bridge $5.4M - - View →
416 Gravity Bridge $5.4M - Access Control Access Control Attacks View →
417 ETERBASE $5.4M - Access Control Access Control Attacks View →
418 Friendsies $5.3M - Rugpull View →
419 Slope Wallet $5.3M solana Private Key Compromised (Stored Publicly) / Other Access Control Attacks View →
420 Bitstamp $5.3M - Access Control Access Control Attacks View →
421 BEAM $5.2M - Phishing Phishing Attacks View →
422 Cyrus Finance $5.0M bsc Flashloan Pool Shares Exploit Flash Loans Attacks View →
423 Makina $5.0M ethereum Flashloan Price Oracle Attack / Flash Loan Attack Flash Loans Attacks View →
424 BetterBank $5.0M pulsechain Infinite Mint and Dump / Other View →
425 ZKsync $5.0M zksync era Private Key Compromised (Unknown Method) / Access Control Access Control Attacks View →
426 1inch $5.0M ethereum Calldata underflow and resolver hijack Arithmetic Overflows Underflows View →
427 Truflation $5.0M - Private Key Compromised (Malware) Access Control Attacks View →
428 Truflation $5.0M - Access Control Access Control Attacks View →
429 PolyNetwork $5.0M polynetwork Reentrancy Reentrancy View →
430 Terra 2.0 $5.0M terra2 IBC hooks exploit View →
431 Loopring $5.0M loopring Guardian 2FA service exploit / Access Control Access Control Attacks View →
432 Poly Network $5.0M bsc, ethereum, polygon Private Key Compromised (Unknown Method) Access Control Attacks View →
433 ParaSpace Lending V1 $5.0M ethereum Borrow Logic Exploit View →
434 Shata Capital $5.0M - Access Control Access Control Attacks View →
435 Osmosis $5.0M - Other View →
436 Thorchain DEX $5.0M ethereum Over-ride Logic Exploit / Other View →
437 XDX Swap $5.0M - Other View →
438 Bitrue $5.0M - Access Control Access Control Attacks View →
439 Yapizon $5.0M - Other View →
440 Shezmu $4.9M - Other View →
441 OcelotDex $4.9M ethereum Infinite Mint and Dump View →
442 DeltaPrime $4.8M arbitrum, avalanche Debt Swap Exploit / Other View →
443 Super Sushi Samurai $4.8M blast Infinite Mint and Dump View →
444 ZBExchange $4.8M - Other View →
445 Tapioca DAO $4.7M arbitrum Private Key Compromised (Social Engineering) / Access Control Access Control Attacks View →
446 Secret Network $4.7M - - View →
447 Aqua $4.7M - Rugpull View →
448 DuelBits $4.6M ethereum Private Key Compromised / Access Control Access Control Attacks View →
449 Bitcoin Savings and Trust $4.6M - Rugpull View →
450 pNetwork $4.6M bsc Misconfiguration 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

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