Prove

Prove (formerly Payfone) is a digital identity verification and authentication company that has processed over 1 billion identity verifications. Its phone-centric identity platform enables more than 1,500 enterprises — including 8 of the top 10 U.S. banks and 500+ financial institutions — to reduce fraud, streamline digital onboarding, and deliver frictionless customer experiences. Prove's core products include Prove Identity (document-free identity verification), Prove Auth (passwordless authentication), and the Prove Identity Network, a consortium-style platform for continuous identity verification. The company rebranded from Payfone to Prove in 2020 and achieved unicorn status ($1B+ valuation) with a $40M raise in 2023.