Prove
A New York identity-verification vendor (formerly Payfone) anchoring authentication to phone and SIM signals, integrated at 8 of the top 10 US banks.
Visit Website ↗ + Add to Compare Claim This CompanyOverview
Prove, founded in 2008 as Payfone and headquartered in New York, anchors identity verification to phone number and SIM-based signals rather than documents or knowledge-based questions, aiming for passive, low-friction authentication that doesn’t force users through a manual document-upload flow. The approach is already integrated at eight of the top ten US banks, giving Prove deep penetration in a sector where identity assurance and friction are both high stakes.
Operating under Growth Funding after a $40 million raise at a valuation north of $1 billion, Prove’s long operating history (it rebranded from Payfone in 2020) and established bank relationships make its phone-centric approach a credible, if incremental, alternative to document-based KYC. Its most recent disclosed round was modest relative to its billion-dollar-plus valuation, a detail worth tracking for anyone evaluating the company’s current growth trajectory.
Innovation Matrix Assessment
Phone-centric/SIM-based identity tokenization is a distinctive approach relative to document-based KYC methods.
1,000+ business customers including 8 of the top 10 US banks, with a long operating history dating to its Payfone era.
$40M round in 2023 at a $1B+ valuation -- steady rather than explosive recent momentum.
Using phone number as an identity anchor is a meaningful but not category-redefining approach relative to other identity-verification methods.
Adoption by major US banks at scale is a strong real-world efficacy signal.
Phone-based identity verification and authentication addresses a durable, widely-applicable need.
Why CISOs Should Care
A CISO or fraud leader looking to reduce onboarding friction without sacrificing identity assurance would use Prove's phone-centric verification, which is already integrated at 8 of the top 10 US banks.
What Makes It Different
Prove anchors identity verification to phone number and SIM-based signals rather than documents or knowledge-based questions, aiming for passive, low-friction authentication.
The Matrix Verdict
67/100 — INCREMENTAL INNOVATOR
Prove (formerly Payfone) has a long operating history and deep bank penetration, making its phone-centric identity approach a credible, if incremental, alternative to document-based KYC -- though its most recent disclosed funding round was modest relative to its billion-dollar-plus valuation.
Editorial Note: Claims vs. Verified Findings
Customer count (1,000+ businesses, 8 of top 10 US banks) is vendor-reported. Employee count is estimated.
Sources
Alternatives to Prove
Teleport
An identity-based infrastructure access platform issuing short-lived cryptographic identities for humans, machines, and AI agents in place of…
SpecterOps
Identity attack-path security specialist behind BloodHound, the widely used open-source tool for mapping Active Directory and Entra ID…
Keyfactor
Machine identity and PKI management platform helping enterprises secure certificates, keys, and post-quantum cryptography readiness at scale.
Astrix Security
Non-human identity security platform that discovers and governs API keys, OAuth tokens, service accounts, and AI-agent credentials across…
Socure
AI-driven identity verification and fraud platform used by banks, fintechs, and government agencies to validate identities during digital…
AppViewX
Machine identity management platform automating certificate lifecycle management (CLM) and PKI operations at enterprise scale, including post-quantum cryptography…