Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
FailSafe vs Ethernaut
How do FailSafe and Ethernaut compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | FailSafe | Ethernaut |
|---|---|---|
| What it is | FailSafe builds continuous security testing systems that probe applications, APIs, infrastructure, and AI systems for exploitable issues. | Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both FailSafe and Ethernaut.
Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.
Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects.
Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects.
Anvil runs a local Ethereum node for development and testing, with in-memory execution, funded accounts, instant mining, and chain forking.
Immunefi connects crypto projects with security researchers through smart contract and crypto bug bounty programs.






