Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects.
Ethernaut vs Echidna
How do Ethernaut and Echidna compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Ethernaut | Echidna |
|---|---|---|
| What it is | Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame. | Ethereum smart contracts can be fuzzed with Echidna, whose repository describes it as a fuzzer. |
| Website | ||
| Type | Website | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Not recorded |
| Open source | Not stated | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Ethernaut and Echidna.
Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
Immunefi connects crypto projects with security researchers through smart contract and crypto bug bounty programs.
Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.
Nexus Mutual offers crypto cover for risks including hacks and describes itself as an alternative to insurance.
OpenZeppelin Contracts provides a library for secure smart contract development.







