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Backend components for eSigning, eSealing, and Attestation

We provide the cryptographic and policy components behind qualified electronic signatures, seals, timestamps, and attribute attestations. These components integrate into your architecture without requiring a specific workflow or user interface.

Ubiqu’s Remote Secure Element runs signing logic and access policies as code inside certified HSMs, rather than relying on external policy servers. A secure channel connects to the HSM, where keys never leave the protected environment and can only be used when all required conditions are met. By enforcing policies inside the HSM itself, the attack surface is reduced and trust services scale by adding HSM capacity, not infrastructure complexity.

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Trusted by

  • Xlinq

Built for trust-service operators

Ubiqu supplies technological components for operating trust services such as signatures, seals, timestamps, and attestations. This approach simplifies operation, is more secure and scales better compared to conventional trust-service architectures, while remaining compliant for regulated environments.

Qualified Electronic Signatures (QES)

Legally binding remote signatures executed inside a certified HSM, without device or token dependency.

Qualified Electronic Seals (QSeal)

Organisation-level sealing of documents and data, ensuring integrity and origin at eIDAS High.

Qualified Timestamps (QTS)

Trusted, audit-proof timestamps for transactions, documents, and compliance records.

Electronic Attribute Attestations (EAA / QEAA)

Issuance and validation of verified attributes such as roles, licences, or permissions.

The limits of existing trust-service infrastructure

Most trust-service infrastructure is delivered as an end-to-end platform or as a fully outsourced QTSP service. Buying signatures typically means adopting the provider’s entire stack and workflows, leaving little room for architectural choice resulting in poor user experience. 

“Traditional platform-based trust services solve today’s problem but are creating tomorrow’s lock-in. . A component approach keeps the architecture open, so organisations can choose what to run themselves and what to source.”

Boris Goranov

– CEO Ubiqu

A different – more flexible and scalable – way to build trust services

Ubiqu enforces keys and policies together inside the HSM, while keeping orchestration outside the secure boundary, reducing complexity and eliminating the need for external policy servers. Trust services scale by adding HSM capacity, not surrounding infrastructure, giving organisations a simpler backend that can evolve over time.

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Operationalising the Remote Secure Element

The Remote Secure Element is designed to be used across multiple identity and trust products, not as a standalone component. It acts as a shared security foundation that can be applied where high-assurance identity, access, or trust services are required, while allowing each product to evolve independently.

We provide the backend technology needed to build and run an EUDI wallet. It handles secure identity usage, authentication, and credential operations in line with the EUDI architecture, without depending on specific devices or phone capabilities.

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The organisational identity wallet enables secure access to applications, systems, and physical environments using a single digital identity. It supports authentication and authorisation based on roles and verified attributes, while keeping the user experience simple and consistent.

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Our trust-service components enable organisations to issue and operate services such as signatures, seals, timestamps, and attestations. They are designed to integrate into existing architectures without forcing adoption of a full platform. Trust enforcement and scalability are handled by a common security backbone.

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We enable organisations to build or evolve towards qualified trust services at their own pace. Instead of adopting a monolithic QTSP platform, organisations can assemble the required components and retain control over their architecture. Certified security components provide the foundation when qualification is required.

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Benefits

The unique advantage of the Remote Secure Element for trust services


The Remote Secure Element provides a different architectural foundation for trust services than QTSP platforms with an all-in-one service, or DIY stacks. 

  • Simpler operations, fewer failure points
    Trust logic runs inside the secure boundary, reducing the amount of infrastructure that must be hardened, monitored, and audited.
  • Built for scale, not just compliance
    Trust services scale by adding HSM capacity rather than duplicating surrounding systems, making high-volume signing and sealing predictable and controllable.
  • Modular and future-proof
    Components can be integrated selectively and replaced over time, allowing organisations to evolve their trust services without platform lock-in or re-architecture.

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