According to IT Chosun, the blockchain network DID Association, which is composed of three major communication companies in South Korea, Samsung Electronics and many major banks, plans to officially launch the blockchain-based electronic authentication application “initial” in mid-May. Currently, only PS & Marketing and NH Agricultural Cooperative Bank are authorized to visit. When officially launched, users can download graduation certificates and academic records of some universities through this application, as well as some cooperative financial companies’ electronic contracts and other information. Lianwen query found that the application can be downloaded in the Apple App Store, but the home page cannot be opened. The association was founded in July last year, initially initiated by the Korea Network Promotion Institute (KASI), with initial members including KT, SK Telecom, LG Uplus, Samsung Electronics, KEB Hana Bank, Woori Bank, and financial technology company Koscom. Later, other financial companies such as BC Card, Hyundai Card, Shinhan Bank, and Agricultural Cooperative Bank also joined the association.