Decentralized systems are a subset of distributed systems where multiple authorities control
different components and no authority is fully trusted by all. This implies that any component …

Background Patient-centered health care information systems (PHSs) enable patients to
take control and become knowledgeable about their own health, preferably in a secure …

In peer-to-peer file sharing systems, file replication helps to avoid overloading file owners
and improve file query efficiency. There exists a tradeoff between minimizing the number of …

Efficient file query is important to the overall performance of peer-to-peer (P2P) file sharing
systems. Clustering peers by their common interests can significantly enhance the efficiency …

As the needs of Internet users and applications significantly changed over the last decade,
inter-domain routing became more important to fulfill these needs. The ways how data flows …

Peer-to-Peer (P2P) systems measurements are still a relevant research topic, since insights
in large swarm sizes and churn are not yet available for the BitTorrent network. To improve …

Since Video-on-Demand (VoD) streaming and general overlay traffic, especially file sharing,
are causing the main portion of today's Internet traffic, Internet Service Providers (ISP) face …

Abstract [eng] The purpose of this paper is to identify factors determining cryptocurrency
price volatility. To achieve this goal, the following objectives were set: 1) analyse …

In many countries, the Internet is under stringent censorship for political or religious reasons
which severely undermines the free flow of information. A censorship-resistant web …

Underlay-unawareness in P2P systems can result in sub-optimal peer selection for overlay
routing and hence poor performance. The majority of underlay aware proposals for peer …