Week2 13-18句原文

13.     This machine-to-machine communication allows direct access to the digital currency stored in one's digital wallet. 

14.     Transactions are processed on the spot without going outside of the network. 

15.     Companies like Toyota, UnitedHealth Group and Fidelity are exploring blockchain and in part lending it legitimacy.

16.     We've really seen the space explode and enter into a bunch of different directions, growing in diversity. 

17.     There's more people involved than ever.

18.     Only time will tell whether blockchain can set off a chain reaction.