Upload, sign, verify, archive — powered by ML-DSA-65. Signatures built on NIST-standardised post-quantum cryptography, designed to survive the next 50 years.
settlement_agreement_2026.pdf
Every contract, deed, and record you sign carries a commitment that must remain verifiable for years or decades. Our platform ensures that commitment holds — no matter what.
Classical digital signatures (RSA, ECDSA) will be breakable by quantum computers. Documents signed today with those algorithms could be forged in the future — undermining contracts, voiding deeds, and exposing your organisation to liability. UbQbit signs with ML-DSA-65, the NIST-standardised algorithm designed to resist quantum attacks, so your signatures remain legally sound for their entire retention lifecycle.
You don't have to abandon your existing infrastructure overnight. Hybrid mode applies both a classical ECDSA signature and a quantum-safe ML-DSA signature to every document — so current verification tools still work, while quantum-safe protection is already in place. When the industry catches up, you're already there.
Every signing event is logged in a tamper-evident, immutable audit trail. Role-based multi-party signing ensures proper authorisation. A per-document compliance dashboard maps each signed document to relevant regulatory frameworks — giving you the evidence trail your regulators, auditors, and legal teams need.
Algorithms evolve. Standards get updated. Our archival vault automatically re-signs your documents with the latest quantum-safe algorithms as they're approved — so you never have to worry about a signature becoming obsolete. Configurable retention policies align with your regulatory obligations, whether that's 7 years for tax or 30+ years for property.
From signing engine to long-term archival — a full document lifecycle platform built on NIST-standardised post-quantum cryptography.
The cryptographic core. ML-DSA primary, SLH-DSA fallback, with hybrid classical+PQC mode for backward compatibility.
Upload, sign, verify, archive. A complete workflow with multi-party signing, audit trails, and compliance mapping.
Quantum-safe encrypted storage with automatic re-signing as algorithms evolve — your documents stay protected forever.
From solo practitioners to enterprise — quantum-safe signing at every scale.
For solo practitioners and small firms getting started with quantum-safe signing.
For mid-tier firms and corporate legal teams needing unlimited quantum-safe signing.
For large firms and institutions needing dedicated infrastructure, SLAs, and compliance.
Embed quantum-safe signing into your platform with our API and white-label SDK.
See quantum-safe signing in action. We'll walk you through the platform and show you how it fits your workflow.