Least Authority

Founded in 2011, Least Authority is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Cairo, Circom, Compact and C++, covering engagements across Ethereum, Polygon, Cosmos and related ecosystems. Core areas of expertise include smart contract security.

With 300+ audits on record, Least Authority has worked with notable protocols including Zcash Community Grants, Polygon, World, Tools for Humanity. The firm's review history provides a transparent track record that teams can evaluate before engaging.

Through Procur3, teams can put their scope to Least Authority alongside other matched firms and receive a competitive quote — without a three-week sales cycle.