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 Go, covering engagements across Ethereum, Midnight, Aptos 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.