openchain (25)in #blockchain • 7 years agoOpenchain's March conference : 16, 17March 16 2 PM~ 6 PM : 1st conference O Prof. Dr. James (Jung-Hweon) Jeon Blockchain Economic Forum ("BEF")…openchain (25)in #openchainglobal • 7 years agoOpenchainGlobal channelMain channel is Telegram but you may use Whatsapp. Telegram: Whatsapp: