| CPC G06F 21/6218 (2013.01) [H04L 63/08 (2013.01)] | 17 Claims |

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1. A server for providing one or more data sets via a digital communication network, wherein the server is configured for:
associating a unique identifier with an identified data set, the unique identifier representing a network address for accessing the identified data set via the digital communication network, wherein the unique identifier is specific to the identified data set,
validating an authentication information provided by a client requesting access to the server via the unique identifier, the authentication information being obtained by the client by using an authenticator, and
selectively providing the client with an access right for one or more data sets, if the authentication information identifies the authenticator as being associated with a registered user, the one or more data sets including the identified data set,
wherein the authentication information does not comprise a username, a password and personal data of the registered user so that the authentication information allows for an anonymized authenticating of the registered user against the server,
wherein the authenticator is represented by an information that does not comprise personal data or a hint on personal data of the registered user associated with the authenticator,
wherein the authentication information comprises an encrypted message which has been generated by using the authenticator, and
wherein the server is configured for using a cryptographic key for validating the authentication information, wherein the cryptographic key is associated with the registered user.
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