Startup profile for UnifyID: what they do, why they are interesting, stage (See coverage), industries, and links to our funding articles. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

UnifyID

UnifyID developed implicit authentication using behavioral biometrics; Prove acquired it in June 2021.

Stage

See coverage

Status

acquired

Coverage

full

Why UnifyID is interesting

Passwordless auth via phone sensors was ahead of its time; NEA-led Series A with a16z seed preceded Prove acquisition for MFA stack.

Key facts

  • Series A (Aug 2017): $20M led by NEA; a16z participated from seed — PR Newswire, TechCrunch
  • Acquired by Prove (Jun 2021) for behavioral-biometrics authentication — GlobeNewswire

Investors in our directory

Funds linked from UnifyID's profile — open a fund page for stage focus and related deal articles.

Industries

Generalist Technology

Industry hub pages are rolling out from our fund-derived baseline taxonomy.

Related funding articles

Venture Capital Tracker pieces that cover UnifyID's financing or category context.

Last updated: 2026-07-24