Privacy-seeking cryptocurrency users rely on anonymization techniques like CoinJoin and ring transactions. By using such technologies benign potentially provide anonymity to bad actors. We propose overlay protocols resolve the tension between accountability in a peer-to-peer manner. Cryptocurrencies can adopt this approach enable prosecution of publicly recognized crimes. illustrate how could a...

Purpose - The purpose of this paper is to analyze in theory and practice the extent ways role regulators collaborative regulatory systems differs from their roles more traditional, state-led systems.
 Methodology/Approach/Design descriptive analytical methodology supported by primary secondary sources research data: books, newspapers, official documentation, independent reports, private st...

Recommender systems utilize information retrieval and machine learning techniques for filtering information and can predict whether a user would like an unseen item. User similarity measurement plays an important role in collaborative filtering based recommender systems. In order to improve accuracy of traditional user based collaborative filtering techniques under new user cold-start problem a...

This study investigated the impact of interaction and output modality on vocabulary learning and retention of EFL learners. To investigate the impact of Interaction, solitary (n =69) and collaborative (n =62) groups served as experimental and No Interaction No Output (n =26) as control group. To address the effect of modality, spoken (n =39) and written (n =31) modalities served as experimental...

This study investigated the impact of interaction and output modality on vocabulary learning and retention of EFL learners. To investigate the impact of Interaction, solitary (n =69) and collaborative (n =62) groups served as experimental and No Interaction No Output (n =26) as control group. To address the effect of modality, spoken (n =39) and written (n =31) modalities served as experimental...