Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
Sherlock vs OtterSec
How do Sherlock and OtterSec compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Sherlock | OtterSec |
|---|---|---|
| What it is | Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects. | OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure. |
| 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 Sherlock and OtterSec.
Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects.
Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.
EverRise develops bridging and security applications for DeFi protocols across BNB Chain, Ethereum, Polygon, Fantom, and Avalanche.
RockawayX invests in Web3 ventures and provides blockchain infrastructure, liquidity, and engineering support for protocols and founders.
InstaDapp develops DeFi tools, including the Fluid protocol and Avocado wallet for account and smart contract transactions.







