Architecture of Smart Certificates for Web3 Applications Against Cyberthreats in Financial Industry

no code implementations • 3 Nov 2023 • Stefan Kambiz Behfar, Jon Crowcroft

This study addresses the security challenges associated with the current internet transformations, specifically focusing on emerging technologies such as blockchain and decentralized storage.

Management

Analysis of Information Propagation in Ethereum Network Using Combined Graph Attention Network and Reinforcement Learning to Optimize Network Efficiency and Scalability

no code implementations • 2 Nov 2023 • Stefan Kambiz Behfar, Jon Crowcroft

We construct a transaction graph representation using adjacency matrices to capture the node embeddings; while our major contribution is to develop a combined Graph Attention Network (GAT) and Reinforcement Learning (RL) model to optimize the network efficiency and scalability.

Graph Attention Reinforcement Learning (RL)

Architecture of Data Anomaly Detection-Enhanced Decentralized Expert System for Early-Stage Alzheimer's Disease Prediction

no code implementations • 1 Nov 2023 • Stefan Kambiz Behfar, Qumars Behfar, Marzie Hosseinpour

By merging the strengths of blockchain, AI, and anomaly detection, our system represents a pioneering step towards revolutionizing disease diagnostics.

Anomaly Detection Disease Prediction

Probabilistic Sampling-Enhanced Temporal-Spatial GCN: A Scalable Framework for Transaction Anomaly Detection in Ethereum Networks

no code implementations • 29 Sep 2023 • Stefan Kambiz Behfar, Jon Crowcroft

The rapid evolution of the Ethereum network necessitates sophisticated techniques to ensure its robustness against potential threats and to maintain transparency.

Anomaly Detection Temporal Sequences