# Blockscout vs Slither

**Leader by vioscaleAI score:** Blockscout

| Attribute | Blockscout | Slither |
|---|---|---|
| **vioscaleAI score** | 54.9 (65% (medium)) | 38 (77% (high)) |
| activity.commits_last_30d | 68 | 0 |
| adoption.dependent_repos | 0 | 186 |
| adoption.github_stars | 4,741 | 6,378 |
| content.faq | `[{"answer":"An open-source block explorer that allows users to search transactions, verify smart contracts, and access analytics across multiple EVM-compatible blockchains from a single interface, with support for hundreds of chains, rollups, L2s, and testnets. It is indexed under Blockchain Dev Tools.","source":"https://www.blockscout.com","question":"What is Blockscout?","confidence":0.6},{"answer":"We have confirmed browser-based access to Blockscout. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.blockscout.com","question":"What platforms does Blockscout support?","confidence":0.6},{"answer":"Yes. Blockscout can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.blockscout.com","question":"Can Blockscout be self-hosted?","confidence":0.6}]` | `[{"answer":"An open-source Python framework that scans smart contract source code for security issues using built-in detectors, generates visual contract analysis reports, and provides an extensible API for writing custom vulnerability checks. Enables developers to catch bugs before deployment and better understand contract behavior. It is indexed under Blockchain Dev Tools.","source":"https://github.com/pricing","question":"What is Slither?","confidence":0.6},{"answer":"Slither supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Slither support?","confidence":0.6},{"answer":"Yes. Slither can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Slither be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Slither, including GitHub Actions, Hardhat, Foundry, Brownie, Dapp, Pre-commit, Docker and Pyth Oracle detectors, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://github.com/pricing","question":"What does Slither integrate with?","confidence":0.6},{"answer":"Yes. Slither is published under the AGPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/crytic/slither","question":"Is Slither open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source block explorer that enables users to search transactions, token transfers, and smart contracts across multiple blockchain networks from a single interface. It supports both cloud and self-hosted deployment options. | Detects issues in Solidity and Vyper smart contracts using static analysis, providing visual reports and a custom analysis API for security assessment. |
| features.capabilities | `{"open_source":true,"tooling_type":"block-explorer","trace_debugger":true,"local_dev_network":true,"maintenance_status":"active","evm_compatible_only":false,"contract_verification_integration":true}` | `{"open_source":true,"tooling_type":"security-analysis","static_analysis_security_tool":true}` |
| integrations.count | - | 9 |
| integrations.list | - | `[{"name":"GitHub Actions"},{"name":"Hardhat"},{"name":"Foundry"},{"name":"Brownie"},{"name":"Dapp"},{"name":"Pre-commit"},{"name":"Docker"},{"name":"Pyth Oracle detectors"},{"name":"Chronicle detectors"}]` |
| language.primary | Elixir | Python |
| license.spdx | - | AGPL-3.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true}` |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://www.blockscout.com","retrievedAt":"2026-10-13T22:35:21.007Z"}` | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-09-13T19:29:18.649Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | free | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 6 | 68 |
| release.history | `[{"url":"https://github.com/blockscout/blockscout/releases/tag/v12.0.1","date":"2026-10-12T07:17:11Z","type":"stable","version":"v12.0.1"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v12.0.0","date":"2026-10-06T14:52:35Z","type":"stable","version":"v12.0.0"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.3.3","date":"2026-10-02T12:06:00Z","type":"stable","version":"v11.3.3"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.3.2","date":"2026-09-21T16:59:26Z","type":"stable","version":"v11.3.2"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.3.1","date":"2026-09-16T11:58:42Z","type":"stable","version":"v11.3.1"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.3.0","date":"2026-09-10T14:00:18Z","type":"stable","version":"v11.3.0"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.8","date":"2026-08-26T09:31:24Z","type":"stable","version":"v11.2.8"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.7","date":"2026-08-18T12:46:33Z","type":"stable","version":"v11.2.7"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.6","date":"2026-08-10T11:18:38Z","type":"stable","version":"v11.2.6"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.5","date":"2026-08-07T13:38:49Z","type":"stable","version":"v11.2.5"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.4","date":"2026-08-04T09:48:11Z","type":"stable","version":"v11.2.4"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.3","date":"2026-07-24T16:19:05Z","type":"stable","version":"v11.2.3"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.2","date":"2026-07-03T14:58:51Z","type":"stable","version":"v11.2.2"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.1","date":"2026-06-18T15:53:21Z","type":"stable","version":"v11.2.1"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.2.0","date":"2026-06-17T10:45:44Z","type":"stable","version":"v11.2.0"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.1.3","date":"2026-06-02T13:30:16Z","type":"stable","version":"v11.1.3"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.1.2","date":"2026-05-27T12:35:45Z","type":"stable","version":"v11.1.2"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.1.1","date":"2026-05-25T14:09:41Z","type":"stable","version":"v11.1.1"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.1.0","date":"2026-05-25T10:21:29Z","type":"stable","version":"v11.1.0"},{"url":"https://github.com/blockscout/blockscout/releases/tag/v11.0.3","date":"2026-05-08T13:11:29Z","type":"stable","version":"v11.0.3"}]` | `[{"url":"https://github.com/crytic/slither/releases/tag/0.11.6","date":"2026-07-28T21:32:01Z","type":"stable","version":"0.11.6"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.5","date":"2026-01-16T19:46:08Z","type":"stable","version":"0.11.5"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.4","date":"2026-01-15T18:59:47Z","type":"stable","version":"0.11.4"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.3","date":"2025-04-18T11:59:42Z","type":"stable","version":"0.11.3"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.2","date":"2025-04-16T20:43:29Z","type":"stable","version":"0.11.2"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.1","date":"2025-04-15T18:17:55Z","type":"stable","version":"0.11.1"},{"url":"https://github.com/crytic/slither/releases/tag/0.11.0","date":"2025-02-03T20:13:08Z","type":"stable","version":"0.11.0"},{"url":"https://github.com/crytic/slither/releases/tag/0.10.4","date":"2024-08-23T13:33:25Z","type":"stable","version":"0.10.4"},{"url":"https://github.com/crytic/slither/releases/tag/0.10.3","date":"2024-06-05T23:40:47Z","type":"stable","version":"0.10.3"},{"url":"https://github.com/crytic/slither/releases/tag/0.10.2","date":"2024-04-08T13:08:21Z","type":"stable","version":"0.10.2"},{"url":"https://github.com/crytic/slither/releases/tag/0.10.1","date":"2024-02-29T21:05:55Z","type":"stable","version":"0.10.1"},{"url":"https://github.com/crytic/slither/releases/tag/0.10.0","date":"2023-10-18T15:16:39Z","type":"stable","version":"0.10.0"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.6","date":"2023-07-06T16:34:34Z","type":"stable","version":"0.9.6"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.5","date":"2023-06-28T12:47:32Z","type":"stable","version":"0.9.5"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.4","date":"2023-06-26T18:40:46Z","type":"stable","version":"0.9.4"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.3","date":"2023-03-20T17:34:20Z","type":"stable","version":"0.9.3"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.2","date":"2023-01-11T17:06:54Z","type":"stable","version":"0.9.2"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.1","date":"2022-11-03T20:26:55Z","type":"stable","version":"0.9.1"},{"url":"https://github.com/crytic/slither/releases/tag/0.9.0","date":"2022-10-05T13:43:15Z","type":"stable","version":"0.9.0"},{"url":"https://github.com/crytic/slither/releases/tag/0.8.3","date":"2022-04-21T17:00:40Z","type":"stable","version":"0.8.3"}]` |
| security.scorecard | - | 7 |
| security.trust_center | - | https://github.com/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=ethereum-helm-charts%2Fblockscout&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=slither-analyzer&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Blockchain Dev Tools)

| Capability | Blockscout | Slither |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Tooling type | Block explorer | Security analysis |
| Evm compatible only | ✗ | - |
| Local dev network | ✓ | - |
| Native fuzzing invariant testing | - | - |
| Mainnet forking | - | - |
| Contract verification integration | ✓ | - |
| Trace debugger | ✓ | - |
| Gas profiling | - | - |
| Archive node access | - | - |
| Graphql indexing | - | - |
| Static analysis security tool | - | ✓ |
| Open source | ✓ | ✓ |
| Maintenance status | Active | - |

*Source: vioscaleAI. Generated 2026-10-16T20:10:43.207Z. "-" = undocumented, not absent.*