거래 기반 블록체인 네트워크 이중지불 탐지에 대한 연구

Abstract

Blockchain is a technological concept that forms the basis for cryptocurrency used in cryptocurrency systems such as bitcoin and etherium. However, because there is no central institution and it consists of transactions among participants in the network, a series of double-spending attacks occurred by rogue miners, securing 51% of the computing power of a particular blockchain network and resulting in a massive outflow of funds. The purpose of this paper is to propose the method to detect blockchain network double-spending attacks in earlier stage by distinguishing the differences between ordinary transactions and double spending attacks. †