Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
Immunefi
vsThree Sigma
Immunefi vs Three Sigma
How do Immunefi and Three Sigma compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Immunefi | Three Sigma |
|---|---|---|
| What it is | Immunefi connects crypto projects with security researchers through smart contract and crypto bug bounty programs. | Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects. |
| 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 Immunefi and Three Sigma.
Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects.
Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.
Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.
Trail of Bits publishes security reviews, research, open-source tools, and talks covering software, blockchains, and AI systems.
Hats Finance runs a decentralized marketplace for smart contract bug bounties and audit competitions.