State-of-the-art and current challenges/hot topics of quantum communications. 0:00:00 Slide 1 0:01:29 Slide 2 0:05:07 Slide 3 0:08:08 Slide 4 0:10:14 Slide 5 0:11:58 Slide 6 0:15:43 Slide 7 0:16:44 Slide 8 0:19:10 Slide 9 0:21:06 Slide 10 0:22:07 Slide 11 0:24:20 Slide 12 0:25:45 Slide 13 0:29:13 Slide 14 0:30:37 Slide 15