OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure.
Sigma Prime
vsThree Sigma
Sigma Prime vs Three Sigma
How do Sigma Prime and Three Sigma compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Sigma Prime | Three Sigma |
|---|---|---|
| What it is | Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research. | 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 Sigma Prime and Three Sigma.
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.
Trail of Bits publishes security reviews, research, open-source tools, and talks covering software, blockchains, and AI systems.
FailSafe builds continuous security testing systems that probe applications, APIs, infrastructure, and AI systems for exploitable issues.
VSCode Solidity Auditor adds Solidity language support and visual security auditing to Visual Studio Code.
Open source
24 alternatives