This model ignores the areas where you need trust and focuses instead on making an impenetrable black box for communications. That might be useful, but you can

This model ignores the areas where you need trust and focuses instead on making an impenetrable black box for communications. That might be useful, but you can still be backstabbed by the other generals, or your soldiers or the programmer who put something fun in the implementation. Bitconnect, mtgox and every other imploded bitcoin service illustrates the point to the tune of billions.