Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.
Echidna vs 3F Mutual
How do Echidna and 3F Mutual compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Echidna | 3F Mutual |
|---|---|---|
| What it is | Ethereum smart contracts can be fuzzed with Echidna, whose repository describes it as a fuzzer. | 3F Mutual offers insurance related to a MakerDAO emergency shutdown, according to its page. |
| Website | ||
| Type | Open-source project | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Echidna and 3F Mutual.
Nexus Mutual offers crypto cover for risks including hacks and describes itself as an alternative to insurance.
OpenZeppelin Defender is documented within the official OpenZeppelin library and tools documentation.
Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
EverRise develops bridging and security applications for DeFi protocols across BNB Chain, Ethereum, Polygon, Fantom, and Avalanche.
Tulipa Capital curates DeFi risk strategies and provides dashboards and partner information for its on-chain finance work.







