Web3 Hacks & DeFi Exploit Intelligence

  • $104B+Lost
  • 3836Incidents
  • 124Chains
  • 16Classes
# Project Date Amount Lost Chain Technique Links
181 Radiant V2 Access Control Attacks $53.0M arbitrum, bsc Access Control Exploit / Blind Signing
182 Radiant Capital Access Control Attacks $58.0M Access Control
183 Truflation Access Control Attacks $5.2M Private Key Compromised (Malware) / Malware
184 BingX Access Control Attacks $52.0M ethereum Hot wallet hack / Hot Wallet Key Compromised
185 DeltaPrime Access Control Attacks $6.0M arbitrum Private Key Compromised (Unknown Method) / Access Control / Private Key Compromised
186 WXETA Access Control Attacks $110K bsc, ethereum Access Control Exploit / Uninitialized Proxy
187 Indodax Access Control Attacks $25.2M ethereum, optimism… Access Control Exploit / Key Leaked via Infrastructure
188 Truflation Access Control Attacks $5.0M Access Control
189 Aave Access Control Attacks $56K ethereum Arbitrary External Call
190 Vowcurrency Access Control Attacks $1.2M ethereum Improper Access Control
191 Nexera Access Control Attacks $1.8M ethereum Ownership Override Attack / Access Control / Malware
192 Ronin Bridge Access Control Attacks $12.0M ethereum MEV bot manipulation exploit / Uninitialized Proxy
193 Ronin Access Control Attacks $12.0M Access Control
194 Monoswap Access Control Attacks $1.3M blast Private Key Compromised (Malware) / Malware
195 Karastar Access Control Attacks $69K Access Control
196 Solrise Finance Access Control Attacks $6.7M casper Improper Access Control
197 Spectra Finance Access Control Attacks $73K ethereum Arbitrary External Call
198 MonoSwap Access Control Attacks $1.3M Access Control
199 DeltaPrime Access Control Attacks $1.0M arbitrum Ownership Takeover
200 WazirX: India Access Control Attacks $235M ethereum Safe Multisig wallet Phishing Exploit / Access Control / Signer Phishing
201 LiFi Finance Access Control Attacks $9.7M linea, metis… Router Exploit via Infinite Approvals / Token Approval Abuse
202 Dough Finance Access Control Attacks $2.0M ethereum Unvalidated call data exploit / Access Control / Arbitrary External Call
203 CoinStats Access Control Attacks $2.2M Private Key Compromised (Unknown Method) / Phishing
204 OPSEC Access Control Attacks $100K ethereum Private Key Compromised
205 Bittensor Access Control Attacks $8.0M Private Key Compromised (Supply Chain Attack) / Access Control / Malware
206 BtcTurk Access Control Attacks $54.0M Private Key Compromised (Unknown Method) / Access Control / Hot Wallet Key Compromised
207 Sportsbet.io Access Control Attacks $3.5M Access Control
208 OKX NFT Aggregator Access Control Attacks $14K bsc Access Control Exploit / Improper Access Control
209 Farcana Access Control Attacks $440K Access Control
210 YOLO Games Access Control Attacks $1.5M blast Access Control Exploit / Caller Impersonation

Data sourced from DefiLlama & SunWeb3Sec/DeFiHackLabs . Thank you for keeping Web3 security data open.

Understanding Smart Contract Vulnerabilities

Smart contract vulnerabilities remain the leading cause of DeFi protocol losses, with over $10 billion stolen since 2016. Understanding attack vectors like reentrancy, flash loans, and oracle manipulation is essential for every blockchain developer and security researcher.

Each incident in our database is categorized by attack class and linked to our in-depth vulnerability guides, making this the most educational Web3 hacks tracker available. Want a quick ranking? See the most expensive crypto hacks leaderboard.

Learn how these hacks actually worked

Study the exploit patterns behind the incidents in this database, then practice finding them before attackers do.