True Hardware. True MPC.

Purpose-built hardware wallet supporting local MPC computation, in addition to FIDO2 capabilities — all in Cramium PHSM.

PHSM 6/8 series hardware close-up

Cramium PHSM 8 Series

An upscale active card with a large E-ink touchscreen for clear transaction review. Bluetooth, custom OS, and NFC with FIDO2 for convenience.

PHSM 8 Series active card

Cramium PHSM 6 Series

A simple, cost-effective USB-C dongle qualified with FIDO2 and ready for secure eMPC computation and fingerprint verification.

PHSM 6 Series active card

Sleek, Portable Design

Sized like a credit card and built to live in your wallet.

Card and wallet scene
Computation graphic

Supports MPC Computation

The most powerful on-device computation capability in hardware wallets.

Zero-Knowledge Proof

Key shares stay within PHSM. No interaction with outside entities during proof.

Zero-knowledge visual
Passkey sign-in visual

FIDO2 Passkey Certified

One PHSM, multiple accounts on the same site — phishing-resistant auth that just works.

Secure Information for 150+ Years

Enabled by the latest innovation in ReRAM technology.

Long-term security graphic
Biometric security

Security with Biometrics

Fingerprint adds a simple, strong layer of protection at your fingertips.