| 2026-09 | Certora | Security review | Item 21: MidasLiquifierModule (src/modules/etherfi/MidasLiquifierModule.sol). at 8405b6ce Initial commit 29350aaf. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 7 informational |
| 2026-09 | Certora | Security review | Item 22: TradingSafeLiquidDepositModule (mainnet Liquid deposit from the trading Safe). at 65bc80ec1 Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 informational |
| 2026-08-04 | Certora | Audit | EtherFi Lend: lend-gateway module and related contracts (cash-v3 PR 153 and the PR 261 follow-up); reviewed 2026-07-20 to 2026-08-04. Draft report as committed. Lend is the borrowing path card spends can draw on. | Unknown | 1 medium, 8 low, 9 informational |
| 2026-08 | Certora | Security review | Item 17: role re-gating across modules (AcrossSwapModule, CashbackDispatcher, EtherFiDataProvider, DebtManagerAdmin, DebtManagerStorageContract, EnsoSwapModule and other modules). at 2aed606ac4 Initial commit 18f224a108. Report header dated August 2026; committed to cash-v3 on 2026-09-29. | Unknown | 1 low, 8 informational |
| 2026-08 | Certora | Security review | Item 18: CashbackDistributor (src/cashback-distributor/CashbackDistributor.sol). at 0dda38da Initial commit 0058252b. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 medium (awardStaked approves ETHFI to the wrong address), fixed |
| 2026-08 | Certora | Security review | Item 15: Safe WETH wrap and ERC-1271 support (SafeErc1271Lib, EtherFiSafe, EtherFiSafeErrors, MultiSig), the user Safe implementation. at 27385346 Initial commit 56719bb523. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 6 informational |
| 2026-08 | Certora | Security review | Item 16: Stargate taxi mode (StargateModule, SettlementDispatcherV2, StargateAdapter). at 02993649 Initial commit 3603a691. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 informational |
| 2026-08 | Certora | Security review | Item 14: wrapStocks in TopUp and TopUpFactory. at db2a2113 Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 informational |
| 2026-08 | Certora | Security review | Item 11: CCTPModule (src/modules/cctp/CCTPModule.sol). at dd7b4cac74 Initial commit ccb8fe30f3. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 7 informational |
| 2026-08 | Certora | Security review | Item 13: stock wrap on top-up redirect (TopUp, TopUpFactory). at aa27177e Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 informational |
| 2026-08 | Certora | Security review | Item 10: StockWithdrawModule, StockUnwrapper and StockOFTBridgeAdapter. at 17ccfc063 Initial commit 0b4c8da3f. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 6 informational |
| 2026-08 | Certora | Security review | Item 8: TradingSafeWithdrawModule. at 72d0ae3e14 Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 2 informational |
| 2026-08 | Certora | Security review | Item 9: EnsoSwapModule. at 90e68688 Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 informational |
| 2026-07-28 | Paladin | Audit | Aave v4 price feeds: BaseAaveV4PriceFeed, StablePriceLib, ChainlinkPriceFeed, PythPriceFeed, VedaAccountantPriceFeed and OracleSinkPriceFeed on Optimism. at 3c932071c6 Resolution commit ac70926. The report marks the Chainlink, Pyth and Veda feeds as matching live code on Optimism; OracleSinkPriceFeed was not deployed. We did not re-check the live bytecode. | Yes | 5 informational: 2 resolved, 1 partly resolved, 2 acknowledged |
| 2026-07 | Certora | Security review | Item 6: Trade and Hold (EtherFiDataProvider, AcrossSwapModule, EnsoSwapModule, OwnershipBridge sender, receiver and library, EtherFiSafe and related contracts). at ac86bd70eb Initial commit edba2b91. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 7 medium, 7 low and informational findings |
| 2026-06 | Certora | Security review | Items 3 and 4: SafeAssetRecoveryModule and its deploy script (cash-v3 PRs 132 and 136). at f907a44c76 Initial commit 93ff2389. Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 1 medium (fixed), 1 low, 4 informational |
| 2026-06 | Certora | Security review | Item 2: SCR swap and SCRRecoveryModule. at db245879 Certora internal item report; dated from the report header (month) and the commit adding it to cash-v3. | Unknown | 3 informational |
| 2026-02 | Certora | Security review | Item 9: SettlementDispatcherV2 (Frax redemption to USDC), the card settlement dispatcher. at 54150cc Initial commit e24c1c2. We did not check whether the SettlementDispatcherRain and Reap implementations on OP Mainnet were built from 54150cc. | Unknown | 7 informational |
| 2025-11-28 | Certora | Security review | Cash Module combined report (bundle 11): Pix wallet auto top-up and SettlementDispatcherV2. at a643d24f2 Reviewed 2025-11-16 to 2025-11-28; SettlementDispatcherV2 at 6efc2b47d. Draft report as committed. | Unknown | 3 informational (2 fixed) |
| 2025-11-07 | Certora | Security review | beHYPE bridging contracts combined report (bundle 9): BeHYPE Scroll Staker and the BeHYPE staking module in cash-v3. at bdfb44f Reviewed 2025-10-31 to 2025-11-07 across the cash-v3 and beHYPE repos. Staking module, not the card spend path. | Unknown | 3 high, 1 medium, 3 low, 2 informational; 8 of 9 fixed |
| 2025-10-08 | Certora | Security review | Bridging contracts combined report: weETH OFT role changes, beHYPE OFT contracts and the CCTP adapter in cash-v3. Reviewed 2025-10-06 to 2025-10-08; only the CCTP adapter is cash-v3 code (commits 76f0ad to 3545ec, as abbreviated in the report). | Unknown | 1 informational, fixed |
| 2025-08 | Certora | Audit | Canonical bridge support in cash-v3 (module-requested bridging through CashModule withdrawals). at a9abc18384 The report is undated in the extracted text; the date is when it was committed (2025-08-08). | Unknown | 2 high, 1 medium, 1 low, 4 informational |
| 2025-06 | Certora | Audit | Cash Module combined report, April-June 2025: Liquid minting and staking module, default module changes, top-up indexing, multi spend and referrals, WETH top-ups, multiple settlement dispatchers, Stargate bridge module, Aave module, NTT bridge adapter and later items. The report's scope table gives no commit hashes. Draft report as committed (2025-06-24). | Unknown | Per-section findings up to high severity (one H-01 among the sections) |
| 2025-03-26 | Certora | Audit | Safe Recovery Manager (cash-v3 PR 5): recovery feature added to the Safe, EtherFiDataProvider, EtherFiHook, IEtherFiSafe, IModule, OpenOceanSwapModule and related contracts. at df6d6c59 Audit start 2b37e643, last reviewed 6bc9436. The recovery code is in the deployed Safe lineage, but the deployed implementations are far past this commit (S6). | Partly | 1 critical (single Safe admin can drain the Safe), 4 medium; all fixed |
| 2025-03-20 | Certora | Audit | Cash Module + Safe (cash-v3 PR 3): BeaconFactory, CashbackDispatcher, EtherFiDataProvider, DebtManager, CashModule, EtherFiSafe, EtherFiHook, settlement dispatcher and related core contracts. at d6aa4845 Audit start 45dc3ee, final 12cbd745. This is the core of the deployed system, but the OP Mainnet implementations (Oct 2026) are far past the audited commit (S6). | Partly | 2 critical, 2 high, 6 medium, 6 low; 14 of 16 fixed, each with a fix commit |
| 2025-03-03 | Certora | Audit | EtherFi TopUp contracts in cash-v2 (src/*, excluding mocks and the bridge adapters). at c0ae4e5d28 Reviewed 2025-02-24 to 2025-03-03 on the cash-v2 dev branch; the top-up contracts later moved into cash-v3. | Unknown | 1 medium (CREATE3 on zkSync, unconfirmed), 3 low, 7 informational |
| 2024-12-13 | Nethermind | Security review | NM-0394 EtherFi Cashback: UserSafe, L2DebtManager and CashbackDispatcher in the earlier Cash contracts (Scroll). The file is named NM_0289 but the report is NM-0394. Covers the pre-cash-v3 contracts, replaced by the cash-v3 Safes on OP Mainnet. | No | 1 high, 1 medium, 7 low, 7 informational, 5 best practices; 12 fixed, 9 acknowledged, 1 unresolved |
| 2024-11-21 | Nethermind | Security review | NM-0381 EtherFi CashSafe top-up mechanism and UserSafe spending-limit changes in the earlier Cash contracts. Covers the pre-cash-v3 contracts. | No | 6 low, 4 informational, 1 best practices; 6 fixed, 5 acknowledged |
| 2024-09-23 | Nethermind | Security review | NM-0289 EtherFi Cash: UserSafe funds management and L2DebtManager loans in the earlier Cash contracts. Initial report 2024-09-18. Covers the pre-cash-v3 contracts. | No | 5 critical, 2 high, 11 medium, 7 low, 11 informational, 2 best practices; 25 fixed, 6 acknowledged, 4 mitigated, 3 unresolved |