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The following notes provide a simple overview of what happens to your personal data when you visit this website. Personal data is any data that can be used to identify you personally. For detailed information on data protection, please refer to our privacy policy listed below this text.
The data controller responsible for data processing on this website is:
Ivan Adamov
BitBau
Silberberger Str. 33
49076 Osnabrück
Germany
Phone: +49 541 18584800
Email: kyky@bitbau.eu
The data controller is the natural or legal person who alone or jointly with others determines the purposes and means of the processing of personal data.
If you send us enquiries via the contact form, your details from the enquiry form, including the contact details you provided there (name, email address, message), will be stored by us for the purpose of processing the enquiry and in the event of follow-up questions. We do not share this data without your consent. The processing of this data is based on Art. 6 para. 1 lit. b GDPR, provided that your request is related to the performance of a contract or is necessary for the implementation of pre-contractual measures. In all other cases, processing is based on our legitimate interest in the effective handling of enquiries sent to us (Art. 6 para. 1 lit. f GDPR) or on your consent (Art. 6 para. 1 lit. a GDPR).
The provider of the pages automatically collects and stores information in so-called server log files that your browser automatically transmits to us. These are: browser type and browser version, operating system used, referrer URL, host name of the accessing computer, time of the server request and IP address. This data is not merged with other data sources. The collection of this data is based on Art. 6 para. 1 lit. f GDPR. The website operator has a legitimate interest in the technically error-free presentation and optimisation of its website.
This website uses Vercel Analytics, a web analytics service provided by Vercel Inc. Vercel Analytics does not use cookies and does not collect any personal data. Aggregated, anonymous data about website usage is collected to improve performance and user experience. For more information, please refer to the Vercel privacy policy.
This website additionally uses Cloudflare Web Analytics, a privacy-friendly web analytics service provided by Cloudflare, Inc., 101 Townsend Street, San Francisco, CA 94107, USA. Cloudflare Web Analytics collects aggregated, anonymous metrics about usage of the site (such as page views, referrer, approximate country-level origin, browser and device type) in order to improve the performance and user experience of the website. According to Cloudflare, Cloudflare Web Analytics does not use cookies, does not rely on fingerprinting and does not persistently store IP addresses.
Cloudflare Web Analytics is loaded exclusively on the basis of your explicit consent in accordance with Art. 6 para. 1 lit. a GDPR and § 25 para. 1 TTDSG. The analytics beacon is only injected into the page after you actively click “Accept all” in the cookie banner. Before that consent is given, no script is loaded from Cloudflare, no request is sent to Cloudflare and no beacon is preloaded. If you decline consent or choose “Essential only”, Cloudflare Web Analytics is fully blocked.
You can withdraw a previously granted consent at any time with effect for the future by deleting the settings this website has stored in your browser’s local storage (in particular the entry “bitbau-cookie-consent”) via your browser settings. On your next visit the cookie banner will reappear and Cloudflare Web Analytics will no longer be loaded until consent is granted again. As processing by Cloudflare may take place in the United States, we point out that — following the case law of the CJEU — the level of data protection in the US is not equivalent to that of the EU; Cloudflare participates in the EU-US Data Privacy Framework. For more information please refer to Cloudflare’s privacy policy at https://www.cloudflare.com/privacypolicy/ and to the Cloudflare Web Analytics information at https://www.cloudflare.com/web-analytics/.
This website also uses Ahrefs Analytics, a web analytics service provided by Ahrefs Pte. Ltd., 16 Raffles Quay, #33-03 Hong Leong Building, Singapore 048581. Ahrefs Analytics collects aggregated, largely anonymous metrics about site usage (such as page views, referrer, approximate country-level origin, browser and device type) as well as information on the reach and SEO performance of the site, in order to improve the content and performance of the website.
Ahrefs Analytics is loaded exclusively on the basis of your explicit consent in accordance with Art. 6 para. 1 lit. a GDPR and § 25 para. 1 TTDSG. The analytics script is only injected into the page after you actively click “Accept all” in the cookie banner. Before that consent is given, no script is loaded from Ahrefs, no request is sent to analytics.ahrefs.com and nothing is preloaded. If you decline consent or choose “Essential only”, Ahrefs Analytics is fully blocked.
You can withdraw a previously granted consent at any time with effect for the future by deleting the settings this website has stored in your browser’s local storage (in particular the entry “bitbau-cookie-consent”) via your browser settings. On your next visit the cookie banner will reappear and Ahrefs Analytics will no longer be loaded until consent is granted again. As processing by Ahrefs may also take place outside the European Economic Area, we point out that the level of data protection in those jurisdictions is not necessarily equivalent to that of the EU. For more information please refer to Ahrefs’ privacy policy at https://ahrefs.com/privacy and to the Ahrefs Analytics information at https://ahrefs.com/analytics.
You have the right at any time to:
If you believe that the processing of your data violates data protection law, you have the right to lodge a complaint with a supervisory authority (Art. 77 GDPR). The competent supervisory authority is the State Commissioner for Data Protection of Lower Saxony.
This website uses only technically necessary cookies that are required for the operation of the site. In addition, this website stores your cookie banner decision in your browser’s local storage under the key “bitbau-cookie-consent” so that the banner does not reappear on every visit and so that consent-based services such as Cloudflare Web Analytics and Ahrefs Analytics are only loaded after consent has been granted. No tracking or analytics cookies from third parties are set. You can set your browser so that you are informed about the setting of cookies and only allow cookies in individual cases. By clearing your browser’s local storage for this website you also withdraw any previously granted consent for consent-based services.
We reserve the right to adapt this privacy policy so that it always complies with current legal requirements or in order to implement changes to our services in the privacy policy. The new privacy policy will then apply to your next visit.
Last updated: February 2026
See also: Legal Notice