Ki‐Hyung Kim

A TOTP-Based Two Factor Authentication Scheme for Hyperledger Fabric Blockchain

2018

In this paper, we propose a new authentication method to prevent authentication vulnerability of Claim Token method of Membership Service provide in Private BlockChain. We chose Hyperledger Fabric v1.0 using JWT authentication method of membership …

An Assistant Service for Customers in QR-payment with the Merchant Presented Mode

2020

A QR payment assistant service in Merchant presented mode is proposed. The service could improve consumer's payment convenience and help the big data analysis of the payment data and goods supply chain. In this paper, …