Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
OtterSec
OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure.
About OtterSec
OtterSec provides security audits for Layer 1 foundations, wallets, DeFi protocols, bridges and connected infrastructure. It works with teams across multiple blockchains using a collaborative approach, and teams can request an audit through the site.
Pricing is not clearly stated.
Key features
- Past audit archive with findings
- Research notes on exploits and security patterns
- Selected team talks
Best for: Teams building the next generation of crypto across multiple blockchains.
OtterSec at a glance
- Website
- osec.io
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
OtterSec alternatives
Tools and sites you could use instead, ranked by how closely they match.
Re7 Labs advises DeFi protocols and curates on-chain risk, using research and in-house tooling across digital asset ecosystems.
EverRise develops bridging and security applications for DeFi protocols across BNB Chain, Ethereum, Polygon, Fantom, and Avalanche.
Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects.
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.
Popular in Portfolio & Security Tools
Well-known listings from the same topic.
CertiKcertik.comDeFiSafetydefisafety.comChainalysischainalysis.comNexus Mutualnexusmutual.iofomofomo.familyKPKkpk.io
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.