On April 7, 2021, the World Blockchain + Advertising Industry Summit Forum and the YASION Public Chain Media Conference were held in Singapore. This conference is held by YASION Technology, with YuLiy, CEO of YASION Technology Asia Pacific, David, Chief Architect of YASION Technology, Singapore Super Node Jason, YASION Technology Global Advertising Brand CEO Kate, etc. attended the forum and delivered speeches. Former EU President, IMF and World Bank Council Member, European Investment Bank Chai