Hacks
Crypto hacks on Base
Data as of 3 October 2026
62 recorded incidents on Base took $436.1M in total between 2023 and 2026. The largest was Balancer V2, $128.0M in 2025. That is 4.8% of all incidents in DefiLlama's record and 2.1% of the value lost. A multi-chain incident counts its full amount on each chain it touched, so chain totals overlap and together exceed the overall total. Amounts are the losses DefiLlama records, and its record does not say whether they are before or after any recovery. Data as of 3 October 2026.
By year, on Base
- 2023 $79.0M lost5 incidents
- 2024 $10.5M lost12 incidents
- 2025 $284.4M lost13 incidents
- 2026 $62.2M lost32 incidents
Incidents on Base
| Date | Incident | Class | Technique | Chains | Amount |
|---|---|---|---|---|---|
| 2026-09-24 | Limit Break Payment Processor | Access Control | Token Approval Abuse | Ethereum, ApeChain, Polygon, Base | $1.8M |
| 2026-09-21 | The Internet Token | Access Control | Arbitrary External Call | Base | $16K |
| 2026-08-27 | Moonwell Lending | Oracle Manipulation | Spot Price Manipulation | Base | $8.7M |
| 2026-08-22 | The Sandbox | Access Control | Improper Access Control | Base, BSC, Ethereum | $675K |
| 2026-08-19 | Allbridge | Bridge & Cross-Chain | Bridge Logic Flaw | Base | $191K |
| 2026-08-06 | Panther Protocol | Governance | Malicious Proposal | Base | $8K |
| 2026-07-26 | Garden | Frontend & Infrastructure | Database Breach | Ethereum, Base, Arbitrum, BSC | $450K |
| 2026-07-25 | Bankr | Social Engineering | Social Account Takeover | Base | $480K |
| 2026-05-25 | New Market Trading | Access Control | Improper Access Control | Ethereum, Base, Arbitrum | $4.0M |
| 2026-05-25 | Bitmor | Access Control | Token Approval Abuse | Base | $6K |
| 2026-05-19 | Bankr | Frontend & Infrastructure | Session Key Compromised | Base | $170K |
| 2026-05-15 | THORChain DEX | Bridge & Cross-Chain | Bridge Logic Flaw | Bitcoin, Ethereum, Base, BSC | $10.7M |
| 2026-05-04 | SquidRouterModule | Access Control | Improper Access Control | Ethereum, Base | $3.2M |
| 2026-04-30 | Wasabi Perps | Key Compromise | Deployer Key Compromised | Ethereum, Base, Berachain, Blast | $5.5M |
| 2026-04-29 | Syndicate | Bridge & Cross-Chain | Bridge Logic Flaw | Base | $380K |
| 2026-04-27 | Singularity Finance | Oracle Manipulation | Oracle Misconfiguration | Base | $413K |
| 2026-04-27 | ZetaChain | Access Control | Token Approval Abuse | Ethereum, Base, Polygon, Arbitrum, Avalanche, BSC | $334K |
| 2026-04-22 | Kipseli | Input Validation | Missing Input Validation | Base | $72K |
| 2026-04-12 | Hyperbridge | Bridge & Cross-Chain | Forged Proof | Ethereum, Base, BSC, Arbitrum | $2.5M |
| 2026-04-12 | SubQuery Network | Access Control | Improper Access Control | Base | $134K |
| 2026-04-07 | SquidMulticall | Access Control | Improper Access Control | Arbitrum, BSC, Avalanche, Optimism, Base | $517K |
| 2026-03-12 | Stake DAO Yield | Access Control | Caller Impersonation | Arbitrum, Base | $176K |
| 2026-03-07 | Molt EVM | Access Control | Improper Access Control | Base | $127K |
| 2026-03-02 | FOOM Cash | Bridge & Cross-Chain | Forged Proof | Ethereum, Base | $2.3M |
| 2026-02-23 | DGLD | Token & Share Accounting | Infinite Mint | Base | $250K |
| 2026-02-21 | Veil Cash | Bridge & Cross-Chain | Proof Verifier Bug | Base | $5K |
| 2026-02-15 | Moonwell Lending | Oracle Manipulation | Oracle Misconfiguration | Base | $1.8M |
| 2026-01-29 | Revert Lend | Protocol Logic | Staking Logic Flaw | Base | $50K |
| 2026-01-25 | Matcha | Frontend & Infrastructure | Frontend Compromise | Base, Ethereum | $13.4M |
| 2026-01-25 | Aperture LM | Access Control | Token Approval Abuse | Ethereum, Base, BSC | $3.7M |
| 2026-01-20 | SynapLogic | Protocol Logic | Unknown | Base | $144K |
| 2026-01-01 | PRXVT | Protocol Logic | Staking Logic Flaw | Base | $97K |
| 2025-11-11 | Impermax V3 | Protocol Logic | Liquidation Logic Flaw | Base | $380K |
| 2025-11-04 | Moonwell Lending | Oracle Manipulation | Spot Price Manipulation | Base, Optimism | $1.0M |
| 2025-11-03 | Balancer V2 | Token & Share Accounting | Rounding Error | Ethereum, Arbitrum, Base, Polygon, Sonic, Optimism | $128.0M |
| 2025-10-30 | Garden | Frontend & Infrastructure | Key Leaked via Infrastructure | Ethereum, Arbitrum, Base, Solana | $11.4M |
| 2025-10-27 | 402bridge | Frontend & Infrastructure | Key Stored Publicly | Base | $18K |
| 2025-08-25 | Panoptic V1.1 | Input Validation | Hash Collision | Base, Unichain, Ethereum | $0 |
| 2025-08-14 | BtcTurk | Key Compromise | Hot Wallet Key Compromised | Ethereum, Avalanche, Arbitrum, Base, Optimism, Mantle, Polygon | $48.0M |
| 2025-07-15 | Arcadia V2 | Reentrancy | Reentrancy | Base | $2.5M |
| 2025-05-26 | Dexodus Finance | Oracle Manipulation | Stale Oracle Price | Base | $300K |
| 2025-04-26 | Impermax V3 | Token & Share Accounting | Incorrect Fee Accounting | Base | $300K |
| 2025-04-14 | KiloEx | Oracle Manipulation | Spot Price Manipulation | BSC, Base, Taiko | $7.5M |
| 2025-04-01 | Zapper | Frontend & Infrastructure | DNS Hijack | Ethereum, Arbitrum, Optimism, Polygon, Base | $0 |
| 2025-01-23 | Phemex | Key Compromise | Hot Wallet Key Compromised | Ethereum, Solana, XRPL, Bitcoin, BSC, Sui, Base, Tron, Arbitrum, Avalanche, Polygon, Optimism, zkSync Era | $85.0M |
| 2024-12-29 | Fegex | Bridge & Cross-Chain | Cross-Chain Message Spoofing | Ethereum, BSC, Base | $1.1M |
| 2024-12-27 | Bizness | Reentrancy | Reentrancy | Base | $16K |
| 2024-12-17 | GemPad | Reentrancy | Reentrancy | Ethereum, Base, BSC | $1.9M |
| 2024-12-10 | Clober Liquidity Vault | Reentrancy | Reentrancy | Base | $500K |
| 2024-12-01 | Clipper | Protocol Logic | Deposit Logic Flaw | Optimism, Base | $450K |
| 2024-10-25 | Base Lending | Protocol Logic | Deposit Logic Flaw | Base | $1.0M |
| 2024-07-22 | ETHTrustFund | Rugpull | Treasury Misappropriation | Base | $2.1M |
| 2024-05-26 | NORMIE | Protocol Logic | Unknown | Base | $882K |
| 2024-05-10 | Tsuru | Protocol Logic | Unknown | Base | $410K |
| 2024-04-23 | Magpie Protocol | Input Validation | Missing Input Validation | Ethereum, Polygon, BSC, Blast, Avalanche, Arbitrum, Optimism, Base, zkSync Era, Polygon zkEVM | $129K |
| 2024-04-15 | Grand Base | Social Engineering | Phishing | Base | $1.7M |
| 2024-04-12 | Sumer.money | Reentrancy | Reentrancy | Base | $350K |
| 2023-11-22 | KyberSwap Elastic | Token & Share Accounting | Rounding Error | Ethereum, Base, Polygon, Optimism, Arbitrum | $48.0M |
| 2023-08-25 | Magnate Finance | Rugpull | Treasury Misappropriation | Base | $6.5M |
| 2023-08-15 | RocketSwap Base | Frontend & Infrastructure | Key Leaked via Infrastructure | Base | $865K |
| 2023-08-02 | Bald | Rugpull | Liquidity Rug | Base | $23.0M |
| 2023-08-01 | LeetSwap | Access Control | Improper Access Control | Base | $620K |
Source: DefiLlama, retrieved 3 October 2026, under its open methodology. Figures are a dated snapshot, not a live feed.