Privacy Policy is a company committed to the obligations regarding privacy and the processing of personal data of its users and has proceeded to update its Privacy Policy to adapt it to the new European Data Protection Regulation 2016/679 (RGPD). as responsible for this website and, in accordance with the provisions of the Organic Law on Protection of Personal Data (LO 15/1999, of December 13), the EU Regulation 2016/679 - Regulation of Protection of Data (GDPR) and the Law on the Information Society and Electronic Commerce (LSSI-CE 34/2002, of June 11) has put into practice policies, means and procedures to guarantee and protect the privacy of personal data of its users.

Identity and address of the person responsible for the processing of your personal data, calle de Guzmán El Bueno 28, 28015 Madrid - Spain.

For what purpose do we process your personal data?

The personal data that may be collected through this website will be processed for the purposes set out below:

  • Service "Start your eternal ledger": the data you provide us will be processed in order to deliver the service. The data stored are: first name, last name, date of birth and place of birth. We also stored the user IP address and an UUID, Universally unique identifier, during the process of submission.

How long will we keep your data?

The personal data that you provide us will be kept for the duration of the treatment for which they were provided.

What is the legitimacy for the processing of your data?

The legitimacy for the treatment of the data collected is the explicit consent of the interested party.

To which recipients will your data be communicated?

Your data will be transferred to IPFS which is a public decentralized data storage and a hash data to the Blockhain Ethereum which is a public decentralized database.

What are your rights when you provide us with your data?

Due to the very essence of Ethereum Blockchain and the IPFS protocol, these rights apply only to data stored by

As the owner of personal data, you can exercise your following rights:

  • Right to request access to personal data relating to the interested party
  • Right of rectification or deletion
  • Right of objection
  • Right to request the limitation of your treatment
  • Right to data portability

This exercise can be carried out by any means that allows proof of sending and receiving to the address Calle Guzmán El Bueno 28, 28015 in Madrid, or by sending an email to the email address: In the event that the exercise of your rights is not satisfactorily resolved, you can file a claim with the Spanish Agency for Data Protection.

Can I withdraw consent?

You have the possibility and the right to withdraw consent for any specific purpose granted at the time, without affecting the legality of the treatment based on the consent prior to its withdrawal.

Processing of data of minors

It is prohibited to provide data of persons under 18 years of age on this website. If any person under that age provides data, their parents or guardians will be solely responsible for said situation.


We have adopted technical and organizational measures, in accordance with the regulations on data protection, to avoid the loss of personal data or the misuse of them. In order to guarantee adequate technical security measures, we contract with providers to host this data. We always make sure that these providers comply with security standards and that they are within the European territory or adhere to the privacy shield agreement. At the time of writing this policy, said provider is MongoDB Atlas its servers are located in European territory.

Updating your personal data

Due to the nature of the service, it is impossible to update your personal data submitted by your transaction in IPFS and Ethereum BlockChain.


From this website, there may be links to third party websites. In these cases, we are not responsible for the privacy policies that said third parties may carry out on the personal data they collect. We recommend that you read the privacy policies of these websites.

Social media

We have profiles on different social networks: Facebook , Instagram today.

We do not export data from the different social networks unless you contact us through them and we have to answer you by other means.


On this website, we may use cookies. You can check our cookie policy here.

Modifications to the Privacy Policy

This privacy policy is valid from 06 of May of 2021.

We reserve the right to modify it whenever we consider it appropriate. For this reason, we kindly ask you to regularly check this privacy policy to read the most recent version.