Nash 1337, Inc. is a cybersecurity company building the next generation of human authentication for a world where AI agents act on our behalf, quantum computers threaten today’s encryption, and the question of who is really pressing “approve” has never mattered more.
Nash Identity Safe is a new kind of security device — a safe for human authorization itself. Whenever you need to approve something high-stakes, like a wire transfer or a decision being made by an AI agent, the device runs a brief local ceremony. You respond to a sequence of colors on a trusted screen, and the device reads your brain’s unique response through a non-invasive sensor. This is your Proof of Brain: a live cognitive signature that can’t be phished, stolen, or copied, and one you can re-enroll at any time if you ever need to. Optional paired biosensors let the device tell the difference between you saying yes and you being made to say yes. Every authentication layer runs on post-quantum cryptography from the U.S. Department of Commerce’s National Institute of Science and Technology (NIST) — e.g., Module-Lattice-Based Key-Encapsulation Mechanism Standard (ML-KEM, FIPS 203); Module-Lattice-Based Digital Signature Standard (ML-DSA, FIPS 204); and, Stateless Hash-Based Digital Signature Standard (SLH-DSA, FIPS 205) — so your credentials stay safe even as classical encryption ages out. Your raw brain and body data never leaves the device. Relying parties see only cryptographic proof that the right human, in the right state of mind, said yes.
Nash Identity Safe is built for digital asset custody, enterprise privileged access, AI-agent delegation, secure communications, and defense-grade environments. Anywhere the cost of an unauthorized “yes” is too high to leave to passwords, push notifications, or permanent biometrics, this is the safe for human authorization.

