Legal Information

Effective: 2026-06-05 · Version 2.0

1. Company Information (Impressum)

QRCL Technologies OÜ
Järvevana tee 9, Kesklinna linnaosa
Tallinn 11314, Estonia (European Union)

Estonian Commercial Register: 17467802
D-U-N-S Number: 988006603
EU Participant Identification Code (PIC): 864110436
USPTO Customer Number: 226913

General enquiries: info@qrcl.net
Data Protection Officer: dpo@qrcl.net
Website: qrcl.net

2. Intellectual Property & Patents

QRCL Technologies OÜ holds 32 USPTO provisional patent applications (USPTO Customer #226913) covering post-quantum cryptographic verification infrastructure, including:

QRCL-Core: VRF committee selection + BFT consensus (Ref. 64/006,213)
QRCL-COSMOS: CCSDS post-quantum space-link security (Ref. 64/014,195)
QRCL-GUARD: multi-layer post-quantum verification framework (Ref. 64/014,157)
29 additional provisional applications covering aviation, finance, energy, rail, maritime, digital identity, and drone sectors

All intellectual property — including source code, documentation, protocol specifications, and associated inventions — is the exclusive property of QRCL Technologies OÜ. Non-provisional conversion deadline: March 2027. PCT international filing window: Q1 2027.

3. Data Protection & GDPR

QRCL Technologies OÜ is the data controller under GDPR (EU) 2016/679. Our full privacy practices are described in the Privacy Policy.

Data Protection Officer:
dpo@qrcl.net
QRCL Technologies OÜ, Järvevana tee 9, Tallinn 11314, Estonia

Supervisory authority: Estonian Data Protection Inspectorate (Andmekaitse Inspektsioon), www.aki.ee.

Hetzner Online GmbH DPA: signed 2026-05-27 (Art. 28 GDPR). Cloudflare EU SCCs in place.

4. Regulatory Compliance

NIS2 Directive (EU) 2022/2555 — QRCL-GUARD implements Art. 21 cryptographic agility requirements for operators of essential services
DORA (EU) 2022/2554 — QRCL-PAY / QRCL-CBDC layers align with Art. 9 ICT risk management requirements
eIDAS 2.0 (EU) 2024/1183 — QRCL-ID credential status infrastructure compatible with EUDI Wallet architecture
EU AI Act (EU) 2024/1689 — QRCL systems constitute safety-critical infrastructure tooling; QRCL-AIACT layer implements conformity assessment support
Export control — Core cryptographic libraries (liboqs, MIT licence) fall under EU Dual-Use Regulation 2021/821 Art. 3 open-source exemption. No EAR/ITAR-controlled components.
CCSDS 355.0-B-2 SDLS — QRCL-COSMOS implements post-quantum space data link security compatible with ESA mission profiles

5. Open Source

QRCL's protocol implementation uses the following open-source components under their respective licences:

liboqs (Open Quantum Safe) — MIT Licence — ML-DSA-65 (FIPS 204), ML-KEM-768 (FIPS 203)
BLAKE3 — CC0 / Apache 2.0 — keyed-hash audit chains
Python 3.13 — PSF Licence

QRCL's own protocol layers and specifications are proprietary and covered by the patent applications listed above.

6. Disclaimer

This website and its content are provided "as-is" for informational purposes only. QRCL Technologies OÜ makes no representations regarding the accuracy, completeness, or fitness for any particular purpose of the information presented. Performance figures (TPS, finality, TRL) are measured results from specific test configurations and may differ in production deployments.

Under no circumstances shall QRCL Technologies OÜ or its officers be liable for any indirect, incidental, special, consequential, or punitive damages arising from use of this website or reliance on its contents.

7. Governing Law

These legal terms are governed by the laws of the Republic of Estonia and, where applicable, European Union law. Any disputes shall be subject to the exclusive jurisdiction of the courts of Tallinn, Estonia.

8. Contact for Legal Enquiries

QRCL Technologies OÜ
Järvevana tee 9, Kesklinna linnaosa, Tallinn 11314, Estonia
info@qrcl.net (general) · dpo@qrcl.net (data protection)

Last updated: 2026-06-05 · Version 2.0 · Supersedes v1.0 (2026-06-01)