riva.xyz

Post-Quantum
Signing Infrastructure

For the institutions that hold, move and issue digital assets. Built on the most conservative assumptions in cryptography.

  • MPC & Multisig
  • Hash-based signatures
  • Self-hosted
Our Main Product

Post-Quantum MPC

We build the signing infrastructure that protects digital assets from the quantum threat, wherever the keys live: MPC, multisig, and standard wallets.

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MPC Signing

Split a signing key across independent nodes so that no single machine can produce a signature alone. Hash-based throughout, and structured so the expensive computation happens ahead of time rather than while a transaction waits.

  • Hash-based end to end. No lattice assumptions in the signature scheme.

  • Configurable quorum: one organisation across many machines, or many organisations over one key.

  • Runs entirely in your own infrastructure: separate machines, clouds, or jurisdictions.

MPC Signing wallet interface
Status:Under Development
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