QuillAudits

QuillAudits is a leading blockchain security firm founded in 2019, specializing in comprehensive smart contract audits and security solutions for the Web3 ecosystem. With over 1,400 audits completed and $3 billion+ in total value locked (TVL) secured, QuillAudits has established itself as a trusted security partner for major blockchain projects including Taiko, StarkWare, Metis, Optimism, and Reactive Network.

Core Services

QuillAudits provides end-to-end security for digital-asset platforms, including smart contract audits, tokenization frameworks, stablecoins, custody flows, and blockchain infrastructure. The company employs a multi-layered audit framework that includes in-house expert reviews followed by independent verification through their Vigilant Squad—a team of independent security researchers ensuring unbiased and comprehensive vulnerability detection.

Security Specializations

The firm offers specialized audit services across multiple blockchain ecosystems including Ethereum, Solana, Base, Arbitrum, Sui, Starknet, Polygon, zkSync, BSC, Near, Cosmos, Avalanche, and 15+ additional networks. Their expertise spans multiple programming languages including Solidity, Rust, Move, Cairo, Clarity, and Sway, enabling them to secure diverse blockchain architectures.

QuillAudits specializes in sector-specific security including DeFi protocols, Real-World Assets (RWA), GameFi, DePIN, stablecoins, DeFAI, and EigenLayer AVS audits. Their advanced services include Virtual CISO (vCISO) offerings that provide ongoing security advisory, protocol architecture reviews, threat modeling, and incident response planning for Web3 projects from inception through production.

Key Strengths

The company has reviewed over 1 million lines of code and maintains strategic partnerships with major blockchain foundations including Optimism Collective, Polygon SPN, BNB Chain Kickstart, Uniswap Foundation, Plume, and Aethir Ecosystem Fund. QuillAudits reports are accepted by top cryptocurrency exchanges for listing requirements, demonstrating industry recognition of their audit quality and methodology.

Their proprietary QuillMonitor database tracks Web3 security incidents, with their 2025 report documenting $2.54 billion in losses across 89 incidents, providing valuable threat intelligence to the ecosystem. The firm combines automated analysis tools with manual expert review to identify vulnerabilities that automated tools alone might miss.

Mission and Impact

QuillAudits' mission is to safeguard the blockchain ecosystem through rigorous security audits, setting the benchmark for excellence across all chains and leaving no vulnerability unchecked. Founded with roots in blockchain development (DNFTS on EOS in 2017-2018) and supply chain solutions (QuillTrace), the team evolved into specialized security auditing in 2019, bringing deep technical expertise and industry knowledge to every engagement.

Why Choose QuillAudits

Organizations choose QuillAudits for their comprehensive approach combining technical depth, multi-layer verification, blockchain-native expertise, and proven track record with major protocols. Their services help clients prevent expensive security mistakes, protect reputation, avoid financial losses, and ensure long-term security under real-world threat conditions. With 7+ years of experience and recognition from leading security organizations like DeFi Security Alliance, QuillAudits continues to pioneer innovative security methodologies for the evolving Web3 landscape.