Kazumasa Omote

Analysis of Attack Activities for Honeypots Installation in Ethereum Network

2021

In recent years, blockchain-based cryptocurren-cies have attracted much attention. Attacks targeting cryptocurrencies and related services directly profit an attacker if successful. Related studies have reported attacks targeting configuration-vulnerable nodes in Ethereum using a method called …

A study of the privacy perspective on principal component analysis via a realistic attack model

2022

Anonymization methods based on principal component analysis (PCA), one of dimensionality reduction methods, have been well studied. These combine PCA with noise addition. Some of these methods theoretically guarantee privacy but decrease utility because of …