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 201-250 of 3595 ranked incidents

Largest Web3 incidents by USD amount lost
Rank Project Amount Lost Date Chain Technique Attack Guide Source
201 Bitcoin Gold $18.0M bitcoin gold Majority-hash-power double spend — —
202 DEUS Finance $17.9M fantom Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
203 Flare Token $17.0M - Rugpull — View →
204 SwapNet $17.0M base, ethereum Unlimited Approval Exploit / Other / Frontend Compromise — View →
205 Monkey Drainer $16.5M - Phishing Phishing Attacks View →
206 GAMEE $16.4M polygon Repository credential exposure Access Control Attacks View →
207 AlexLab $16.1M stacks Other / malicious transfer() method / Caller Impersonation Access Control Attacks View →
208 Curio $16.0M ethereum Voting Power Inflation / Delegatecall Hijack Access Control Attacks View →
209 Indexed Finance $16.0M ethereum Flashloan Price Oracle Attack / Other / Spot Price Manipulation Flash Loan Attacks View →
210 Cryptopia $16.0M ethereum Suspected private-key compromise — —
211 Team Finance $15.8M ethereum Migrate Function Mistake Exploit / Other / Missing Input Validation — View →
212 Rari Capital $15.7M ethereum Price Oracle Attack / Flash Loan Attack / Arbitrary External Call Access Control Attacks View →
213 Inverse Finance Frontier $15.6M ethereum Price Oracle Attack / Oracle Issue / Spot Price Manipulation Oracle Manipulation & Price Manipulation View →
214 SUPERFORTUNE AI $15.2M ethereum Improper Access Control Access Control Attacks —
215 Eminence $15.1M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan Attacks View →
216 PEPE $15.1M ethereum Admin Drain — —
217 Starstream / Agora $15.0M ethereum Other / Admin Drain — View →
218 Electrum $15.0M - Access Control Access Control Attacks View →
219 Rain $14.8M bitcoin, ethereum, solana, xrp Unauthorized Wallet Outflows — View →
220 Holograph $14.4M ethereum Infinite Mint and Dump / Other / Infinite Mint Access Control Attacks View →
221 WOO X $14.0M arbitrum, bitcoin, bsc, ethereum Social Engineering / Phishing Phishing Attacks View →
222 Furucombo $14.0M ethereum Delegatecall Exploit / Other / Delegatecall Hijack Access Control Attacks View →
223 Grinex $13.7M ethereum, tron Hot Wallet Key Compromised — —
224 M2 $13.7M bitcoin, ethereum, solana Unauthorized Wallet Outflows Access Control Attacks View →
225 Venus $13.0M - Phishing Phishing Attacks View →
226 Abracadabra Spell $13.0M arbitrum Other / Liquidation Logic Flaw — View →
227 GDAC $13.0M - Suspected private-key compromise Access Control Attacks View →
228 Bored Ape Yacht Club $13.0M - Other — View →
229 pNetwork $13.0M bitcoin, bsc Log Spoofing / Spoofed Event Log / Other Cross-Chain Bridge Attacks View →
230 flash.sx / vaults.sx $13.0M eos Reentrancy Reentrancy —
231 79thVault $12.5M - Access Control Access Control Attacks View →
232 Compounder Finance $12.5M ethereum Drained Contracts / Rugpull / Admin Drain — View →
233 Ionic Protocol $12.3M mode Counterfeit LBTC collateral accepted through compromised asset onboarding Phishing Attacks View →
234 Cork V1 $12.0M ethereum Access control bypass via hook / Other / Improper Access Control Access Control Attacks View →
235 Polter Finance $12.0M fantom Flashloan Price Oracle Attack / Oracle Issue / Spot Price Manipulation Flash Loan Attacks View →
236 Ronin Bridge $12.0M ethereum MEV bot manipulation exploit / Uninitialized Proxy / Access Control Access Control Attacks View →
237 Defrost $12.0M avalanche Oracle Manipulation / Privileged Collateral Configuration Access Control Attacks View →
238 Triple-A $11.8M arbitrum, ethereum, tron Access Control / Hot Wallet Key Compromised Access Control Attacks View →
239 EXMO $11.7M multiple Suspected private-key compromise Access Control Attacks View →
240 LiFi Finance $11.6M linea, metis, zksync era Router Exploit via Infinite Approvals / Token Approval Abuse / Other Access Control Attacks View →
241 PrismaLST $11.6M ethereum Flashloan Trove Manipulation / Missing Input Validation Access Control Attacks View →
242 Verus $11.6M verus Other / Forged Proof — View →
243 Somesing $11.6M ethereum Phishing / Compromised endpoint Access Control Attacks —
244 Yearn Finance $11.5M ethereum Flashloan Misconfiguration Exploit / Flash Loan Attack / Oracle Misconfiguration Flash Loan Attacks View →
245 BitoPro $11.5M ethereum, polygon, solana, tron Key Leaked via Infrastructure / Access Control Access Control Attacks View →
246 Garden $11.4M arbitrum, base, ethereum, solana Solver SSH and Wallet Key Compromise Access Control Attacks View →
247 Venus Protocol $11.2M bsc Other / Stale Oracle Price Oracle Manipulation & Price Manipulation View →
248 Saddle Finance $11.0M ethereum Flashloan Swap Logic Exploit / Other / Swap Logic Flaw Flash Loan Attacks View →
249 ValueDefi $11.0M bsc, ethereum Other / Arithmetic Error / Improper Access Control Access Control Attacks View →
250 Yearn Finance $11.0M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation Flash Loan 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

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