We must exempt pure cash

Sessions vowed to advance new options to combat terrorism, and it is now ever more likely that the Justice Department — as indicated earlier by Rosenstein — will turn to Congress for legislation reining in, or banning so-called “warrant-proof” encryption.

Financial transactions are not plots and it is very difficult to transmit message by trading.  One trader has done it, at great expense. Here:

 This is the market price of a small corporation. WA wealthy, fir3d employee bought and sold stock to send this message.

The point is that secure element can only send messages in this fashion,all it does is trade.