May 15th, Blockchain Roundtable went to Ruff Chain. The CEO, CMO and COO was Introducting stories about Ruff. Click to know deeper about Ruff Chain ！
#RuffChain #Ruff #blockchain #IoT #crypto
https://youtu.be/PzVtGxupBNk
5 月 15 日，区块链圆桌会议前往 Ruff Chain。首席执行官、首席营销官和首席运营官正在介绍有关 Ruff 的故事。点击深入了解Ruff Chain！