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.

  • $91B+

    Total Value Lost

  • 3595

    Incidents Tracked

  • 141

    Chains Affected

  • 65

    $100M+ Incidents

Top 10 Biggest Hacks

Jump to full leaderboard
  1. 🥈

    Mantra

    $5.50B

  2. #4

    LuBian

    $3.50B

    bitcoin

  3. #7

    Thodex

    $2.00B

  4. #9

    Finiko

    $1.50B

  5. #10

    Bybit

    $1.40B

    ethereum

Where the Largest Losses Concentrate

Top Chains by Losses

  • ethereum $9,830M
  • bitcoin $5,404M
  • bsc $3,037M
  • solana $1,697M
  • polygon $1,539M

Top Techniques by Losses

  • Other $52,517M
  • Rugpull $15,631M
  • Private Key Compromised (Brute Force) / Weak Key Generation $3,500M
  • Safe Multisig wallet Phishing Exploit / Access Control / Signer Phishing $1,635M
  • Access Control / Hot Wallet Key Compromised $1,027M

Full Leaderboard

Showing 401-450 of 3595 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
401 pNetwork $4.6M bsc Misconfiguration / Key Leaked via Infrastructure — View →
402 Across $4.5M solana Other / Spoofed Event Log — View →
403 CrediX $4.5M sonic Private Key Compromised / Access Control Access Control Attacks View →
404 TEDDY DOGE $4.5M - Rugpull — View →
405 xToken $4.5M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
406 Eleven Finance $4.5M bsc Flashloan Burn Function Exploit / Other / Withdrawal Logic Flaw Flash Loan Attacks View →
407 Picostocks $4.4M bitcoin Private Key Compromised Access Control Attacks —
408 Drop $4.4M neutron Malicious Proposal — —
409 Metawin $4.4M ethereum, solana Access Control / Key Leaked via Infrastructure Access Control Attacks View →
410 Raydium AMM $4.4M solana Compromised pool-owner key Access Control Attacks View →
411 Meter.io $4.4M ethereum Other / Deposit Function Exploit / Missing Input Validation — View →
412 ChainSwap $4.4M bsc, ethereum Exploit Weak Authentication Check / Caller Impersonation Access Control Attacks View →
413 ChainSwap $4.4M bsc, ethereum Other / Bridge Logic Flaw — View →
414 Radiant Capital $4.3M arbitrum Flash Loan Attack / Flashloan New Market Exploit / Rounding Error Arithmetic Overflow & Underflow Attacks View →
415 Terra (LUNA) $4.3M terra Phishing Phishing Attacks —
416 ALEX $4.3M stacks Private Key Compromised (Phishing) / Access Control / Phishing Access Control Attacks View →
417 AI Protocol $4.3M - Phishing Phishing Attacks View →
418 TronBank $4.3M tron Backdoor Contract — —
419 Link Drainer $4.2M - Phishing Phishing Attacks View →
420 Makina $4.2M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
421 DeFiAi $4.2M - Rugpull — View →
422 Shibarium $4.1M shibarium Validator Stake Manipulation by Flashloan / Validator Key Compromised / Access Control Access Control Attacks View →
423 Slope Wallet $4.1M solana Wallet-key compromise Access Control Attacks View →
424 Solfire $4.1M - Rugpull — View →
425 Suji Yan $4.0M - Phishing Phishing Attacks View →
426 Terraport Finance $4.0M terra classic Other / Improper Access Control Access Control Attacks View →
427 Kokomo Finance $4.0M optimism Drained Contracts / Admin Drain / Rugpull — View →
428 GMX Phishing $4.0M - Phishing Phishing Attacks View →
429 Webaverse $4.0M - Other — View →
430 Gala $4.0M - Other — View →
431 DAO Maker Vesting $4.0M ethereum Access Control Exploit / Other / Improper Access Control Access Control Attacks View →
432 Maze Protocol $4.0M - Other — View →
433 OneCoin $4.0M - Rugpull — View →
434 GBL $4.0M - Rugpull — View →
435 New Market Trading $4.0M arbitrum, base, ethereum Improper Access Control Access Control Attacks View →
436 Unleash Protocol $3.9M story Multisig Governance Hack / Access Control / Private Key Compromised Access Control Attacks View →
437 Flow Network $3.9M flow Other / mint-and-dump Hack / Infinite Mint — View →
438 ForceBridge $3.9M nervos Acces Control Exploit / Improper Access Control / Access Control Access Control Attacks View →
439 XCarnival $3.8M ethereum Stale collateral order authorization — View →
440 NEAR Intents $3.8M bsc Bridge Logic Flaw / Other — View →
441 B² Network $3.8M - Access Control Access Control Attacks View →
442 OnyxDAO $3.8M ethereum Flash Loan Attack / Liquidation Logic Exploit / Liquidation Logic Flaw Flash Loan Attacks View →
443 DODO AMM $3.8M ethereum Access Control Exploit / Other / Improper Access Control Access Control Attacks View →
444 Pink Drainer $3.7M - Phishing Phishing Attacks View →
445 Unknown User $3.7M - Phishing Phishing Attacks View →
446 Yo Yield $3.7M ethereum Other / Slippage Exploit / Missing Slippage Check — View →
447 Moonwell $3.7M base, optimism Oracle Issue / Oracle Price Feed Manipulation / Spot Price Manipulation Oracle Manipulation & Price Manipulation View →
448 UwU Lend $3.7M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
449 GMETA $3.7M - Rugpull — View →
450 Aperture Finance $3.7M base, bsc, ethereum Other / Token Approval Abuse Access Control Attacks 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

$91B+ lost to preventable vulnerabilities. Master real exploit patterns and defense techniques with hands-on Web3 security training.