history of digital currency, Knowledge

4 days and 3 boards: Keli sensing.The first board: 3D Communication, Shensi Electronics, Worth Buying, Hongda New Materials, Oriental Seiko, Aofei Entertainment, Jinzitianzheng, Rongji Software and Join-Cheer Software.Third, artificial intelligence

9 board: Thiel shares.3 days and 2 boards: Easyhome, Smith Barney.Third, artificial intelligence

5 days and 4 boards: Ningbo Jingda.5 days and 4 boards: overpass lifting.3 days and 2 boards: Fuda shares.