BLOCKCHAIN-BASED AUTHENTICATION AND TRANSACTION SYSTEM

• Main Authors: JUNG, Il Jin, KWON, Hyo Sang, WOO, Jong Hyun, SON, Min Jae, KIM, Mi Ju, DILSHOD, Rakhmanov, SHIN, Hee Jun, BAEK, Sang Heon, JANG, Hyung Seok, LEE, Tae Il, SONG, Jung Hoon, PARK, Seo Bin, KIM, Jeon Gjin, KIM, Dong Hee
• Format: Patent
• Language: English; French; German
• Published: 16.08.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; HANDLING RECORD CARRIERS; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

According to the exemplary embodiments of the present invention, there is provided a blockchain based authentication and transaction system including a user DID (Distributed Identity) wallet which is an application program installed on a user's mobile terminal. Here, the user DID wallet allows a user to ascertain whether a counterpart is a legitimate party by verifying a counterpart's VP and expressing the verified counterpart ascertainment information to the user on a screen when the counterpart's VP provided from a counterpart system which is an authentication or transaction counterpart is obtained.