Anonymous service delivery has attracted the interest of research and the industry for many
decades. To obtain effective solutions, anonymity should be guaranteed against the service …

Lawyers, laboratories, auditors or banks often need data containing sensitive personal
information to provide their services. Examples of sensitive services include genetic testing …

Abstract Decentralized Anonymous Payment Systems (DAP), often known as
cryptocurrencies, stand out as some of the most innovative and successful applications on …

We present the design, security proof, and implementation of an anonymous subscription
service. Users register for the service by providing some form of identity, which might or …

Distributed anonymity services, such as onion routing networks or cryptocurrency tumblers,
promise privacy protection without trusted third parties. While the security of these services is …

With the worldwide growth of open telecommunication networks and in particular the
Internet, the privacy and security concerns of people using these networks have increased …

A permissioned blockchain includes a user in the network after verifying the user's identity,
in contrast to Bitcoin, which is a public blockchain that allows network participation without …

Abstract We introduce the Anonymous Post-Office Protocol (AnonPoP), a practical strongly-
anonymous messaging system. Its design effectively combines known techniques such as …

Real world physical shopping offers customers the privilege of maintaining their privacy by
giving them the option of using cash, and thus providing no personal information such as …

Anonymous cloud architecture provides secure environment for business and also e-
commerce approaches. By using this type of architecture, we can propose anonymous …