Least Authority offers security consulting for Web3, blockchain, and fintech teams, including smart-contract and cryptographic-system assessments. Its published materials describe audits across…
Company tag
Blockchain Security Companies
Explore the top blockchain security companies on FirmsDirectory, featuring cybersecurity businesses specializing in smart contract auditing, blockchain infrastructure protection, and decentralized application security. Discover companies offering smart contract audits, penetration testing, blockchain vulnerability assessments, protocol security reviews, threat monitoring, and digital asset security solutions. FirmsDirectory helps businesses discover and compare blockchain security providers based on their expertise, services, company profiles, and popularity, making it easier to find security partners for cryptocurrency and blockchain projects.
LimeChain is a blockchain development and consulting company that works on protocol engineering, decentralized applications, smart contracts, tokenization, and developer tooling. Its…
OpenZeppelin develops software and security services for smart contracts and onchain applications. Its widely used open-source Contracts library provides components for blockchain…
OtterSec performs security audits for blockchain projects and related software. Its official materials describe reviews for layer-one foundations, wallets, decentralized-finance protocols, bridges,…
PeckShield provides security services for blockchain and digital-asset projects. Its published service information includes blockchain and smart-contract audits, DeFi and exchange security…
Quantstamp is a blockchain security company associated with smart-contract assessments and security research. Its public certificate archive contains audit reports that identify…
Runtime Verification applies formal methods and software analysis to smart contracts and blockchain systems. Its published services describe design reviews, code reviews,…
Sherlock runs smart-contract security audits that combine dedicated expert review with crowdsourced audit contests. Its published materials explain that teams submit code…
Sigma Prime provides blockchain security audits and engineering services. Its official site describes reviews of smart contracts, blockchain protocols, zero-knowledge systems, and…
SlowMist is a blockchain ecosystem security firm whose published services include smart-contract and blockchain security audits, exchange and wallet assessments, red teaming,…
Spearbit is a network of security researchers offering technical reviews for Web3 projects. Its public portfolio describes expertise across the blockchain stack,…
Trail of Bits provides software assurance and security engineering, including dedicated blockchain assessments. Its published blockchain work covers smart contracts, nodes, bridges,…
Veridise specializes in blockchain security assessments, with published services covering smart contracts, zero-knowledge systems, blockchain implementations, DeFi applications, wallets, and L1/L2 networks.…
Zellic provides security assessments for blockchain protocols and Web3 applications. Its published service information describes work across layer-one and layer-two networks, rollups,…