No more choosing between security and convenience.
CrossBar combines Enhanced Multi-Party Computation (EMPC) and the Portable Hardware Security Module (PHSM) to secure digital assets without sacrificing usability.
A real T-of-N MPC technology with utmost security and maximum entropy, CrossBar EMPC enables users to configure security surrounding their assets.
CrossBar offers a complete EMPC SDK Suite across mobile, cloud, browser, and hardware.
The key innovation making CrossBar EMPC possible, CrossBar PHSM provides MPC computation on secure element to enhance security, foster greater trust in a decentralized future, and enable users to have the utmost security assurance in their hands.
CrossBar is redefining the infrastructure layer for digital asset protection.
True T-of-N MPC technology distributes key shares, ensuring no single device or entity can compromise your assets.
Key shares never meet or reconstruct, keeping your digital assets and information safe even during signing and authorization.
The best hardware device supporting MPC computation on secure element, enabling robust, verifiable security at the edge.
Store and protect data for over 150 years under severe circumstances, with infrastructure designed specifically for digital asset protection.
Leveraging the power of EMPC, CrossBar designed the versatile custodian model that fits your requirements - from full custody to real self-custody.
Effortless key management — add, remove, or switch entities anytime, hassle-free.
Designed by you. Tailored for your security. Choose the threshold policies that best match your risk model.
Ability to organize and order key shares within your institutional network, aligning cryptographic structure with organizational structure.
Manage in-house or delegate to a custodian.
It’s your choice.
Learn how EMPC and PHSM work together to secure your digital assets.
Yes. Setting up CrossBar EMPC and CrossBar PHSM is designed to be straightforward. You register your device, verify your identity, and follow a short guided flow to back up and protect your keys. Most users are ready to manage crypto in minutes.
Absolutely. Your keys are protected through EMPC, so recovery can be performed using your remaining key shares and passkeys—such as another registered device or a recovery flow defined by your institution—without ever reconstructing the full key in one place.
Migration from traditional wallets is supported through guided import flows. Your existing keys can be wrapped into EMPC and distributed into key shares, letting you keep the same wallet address while gaining CrossBar's MPC-based protection.
Key shares are distributed between PHSM devices and CrossBar EMPC infrastructure. You can keep full control with self-custody, or designate trusted custodians and service providers to hold some shares while maintaining strong, policy-based protections.
Yes. CrossBar PHSM devices are designed to support FIDO2 passkey authentication, enabling phishing-resistant logins across multiple accounts while benefiting from the same hardware-level security used for your digital assets.
