Cookie Policy
1. What are cookies
Cookies are small text files that a website stores on your device. They are widely used to make websites work efficiently and to provide information to the site operators.
2. Cookies we use
| Cookie | Type | Purpose | Duration |
| --- | --- | --- | --- |
| qdv_consent | Essential | Stores your consent preferences. | 12 months |
We do not set any analytics or marketing cookies on the date of the last update of this policy.
3. Legal framework
This site applies the General Data Protection Regulation (RGPD, EU 2016/679), the Spanish Organic Law on Data Protection (LOPDGDD, LO 3/2018), and the ePrivacy Directive (2002/58/EC) as transposed in Spain.
4. Legal basis per category
- Essential cookies: do not require consent under ePrivacy Article 5(3) because they are strictly necessary to provide a service the user has explicitly requested.
- Analytics and marketing cookies: require prior, explicit, and informed consent. We do not currently use these categories.
5. How to give, change, or withdraw consent
You can give, change, or withdraw your consent at any time by clicking "Cookie preferences" in the website footer or by reopening the consent banner.
6. Decisions are per domain
Consent given on qdiv0.com (this marketing site) is not automatically synchronized with app.qdiv0.com (the QDivZero application). You decide on each domain.
7. Consent validity
Your consent is valid for 12 months. After that, you will be asked again.
8. Your rights
Under RGPD you have the right to access, rectify, erase, object to, restrict, and port your personal data, and to withdraw consent at any time. To exercise these rights, contact legal@valendra.tech.
9. Complaints
You can lodge a complaint with the Spanish data protection authority (Agencia Española de Protección de Datos, AEPD) at https://www.aepd.es.
10. Last updated
2026-06-09.