# Certora Prover vs Echidna

| Attribute | Certora Prover | Echidna |
|---|---|---|
| **vioscaleAI score** | 49.6 (14% (low)) | 56.3 (24% (low)) |
| activity.commits_last_30d | - | 10 |
| adoption.github_stars | - | 1,911 |
| content.faq | `[{"answer":"A tool that validates smart contracts by comparing bytecode against formal specifications to prove code correctness and identify security vulnerabilities. It is indexed under Smart Contract Tools.","source":"https://www.certora.com","question":"What is Certora Prover?","confidence":0.6},{"answer":"Certora Prover offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.certora.com","question":"Is Certora Prover free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Certora Prover. 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.certora.com","question":"What platforms does Certora Prover support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Certora Prover, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.certora.com","question":"Can Certora Prover be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Certora Prover. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Certora Prover not holding them. Always confirm compliance directly before you rely on it.","source":"https://certora.com/privacy","question":"What security certifications does Certora Prover have?","confidence":0.7}]` | `[{"answer":"An open-source security tool that systematically tests Ethereum smart contracts by generating diverse inputs to uncover edge cases and potential bugs. It integrates into development workflows, provides code coverage analysis, and supports multiple contract frameworks and testing modes. It is indexed under Smart Contract Tools.","source":"https://github.com/pricing","question":"What is Echidna?","confidence":0.6},{"answer":"Echidna is open source, so it can be self-hosted and used at no licence cost. It is released under the CC-BY-SA-4.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Echidna free to use?","confidence":0.6},{"answer":"Echidna supports Windows, macOS, Linux and 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 Echidna support?","confidence":0.6},{"answer":"Yes. Echidna can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Echidna be self-hosted?","confidence":0.6},{"answer":"We have confirmed 11 integrations for Echidna, including GitHub, Foundry, Hardhat, Brownie, Etherscan, Sourcify, Slither and hevm, plus 3 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 Echidna integrate with?","confidence":0.6},{"answer":"Yes. Echidna is published under the CC-BY-SA-4.0 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/trailofbits/publications","question":"Is Echidna open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A tool that validates smart contracts by comparing bytecode against formal specifications to prove code correctness and identify security vulnerabilities. | An Ethereum smart contract fuzzer using grammar-based fuzzing and symbolic execution to identify vulnerabilities and test contract behavior. Supports multiple testing modes including invariant testing, gas profiling, and integrates with major Ethereum development frameworks. |
| features.capabilities | - | `{"stack":"Solidity-JS/TS","deployment":"local-cli","fuzz_testing":true,"chain_support":"EVM-only","gas_profiling":true,"local_testnet":true,"static_analysis":true,"invariant_testing":true,"symbolic_execution":true,"formal_verification":true,"tx_simulation_debugging":true}` |
| integrations.count | - | 8 |
| integrations.list | - | `[{"name":"GitHub"},{"name":"GitHub Actions"},{"name":"Foundry"},{"name":"Hardhat"},{"name":"Brownie"},{"name":"Etherscan"},{"name":"Sourcify"},{"name":"Slither"},{"name":"hevm"},{"name":"Z3"},{"name":"Bitwuzla"},{"name":"cvc5"},{"name":"Alchemy"},{"name":"Etheno"},{"name":"DappTools","native":true,"category":"development","direction":"bidirectional"}]` |
| language.primary | - | Python |
| license.spdx | - | CC-BY-SA-4.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"mac":true,"linux":true}` |
| pricing | `{"type":"hybrid","freeTier":true,"sourceUrl":"https://www.certora.com","retrievedAt":"2026-08-19T21:33:59.246Z"}` | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-09-13T20:04:43.475Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | - | yes |
| security.gdpr | yes | - |
| security.scorecard | - | 7.6 |
| security.trust_center | - | https://github.com/security |

## Capabilities (Smart Contract Tools)

| Capability | Certora Prover | Echidna |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Stack | - | Solidity JS/TS |
| Chain support | - | EVM only |
| Local testnet | - | ✓ |
| Mainnet forking | - | - |
| Fuzz testing | - | ✓ |
| Invariant testing | - | ✓ |
| Static analysis | - | ✓ |
| Symbolic execution | - | ✓ |
| Formal verification | - | ✓ |
| Gas profiling | - | ✓ |
| Tx simulation debugging | - | ✓ |
| Upgrade proxy tooling | - | - |
| Multisig transaction ops | - | - |
| Ide editor plugin | - | - |
| Deployment | - | Local CLI |

*Source: vioscaleAI. Generated 2026-10-16T19:28:37.008Z. "-" = undocumented, not absent.*