Common Prefix is a reputable brand consisting of a dedicated team of scientists and software engineers specializing in blockchain science consulting services. Our approach is grounded in rigorous cryptographic techniques, enabling us to design simple yet provably secure protocols from scratch and provide expert guidance on their implementation. Our consulting and auditing services cover a wide range of areas, including theoretical cryptographic protocol analyses, as well as practical audits of both core consensus technologies and application layer smart contracts.

Our team comprises a unique blend of academic researchers and industry professionals. From consensus foundations to smart contract development, our experts are well-versed in various domains such as proof-of-stake, proof-of-work, auctions, Layer-2s, sharding, and zero-knowledge proof. With a global presence across cities like Athens, Barcelona, London, and San Francisco, our diverse team ensures that we deliver comprehensive and efficient solutions to meet our clients' needs.

We work closely with a diverse range of companies, from Layer-1 blockchains to smart contract protocols. Our services encompass everything from analyzing and refining protocol designs to implementing and auditing them. By conducting thorough theoretical analyses and ensuring adherence to cryptography papers, we strive to make our clients' protocols mathematically secure.

Additionally, our team also handles auditing, testing, software development, and technical reporting, providing a holistic approach to client satisfaction. We are committed to maintaining the highest standards of operational security, aiding our clients in fortifying their infrastructure through adherence to best practices. To learn more about our services, please get in touch with us at hello@commonprefix.

com