Signal definitely makes life easier for terrorists and child predators; the question is whether it has decent uses whose benefits outweigh that cost. (And, whil

Signal definitely makes life easier for terrorists and child predators; the question is whether it has decent uses whose benefits outweigh that cost. (And, while I'm cautiously in favour of cryptography, I don't think that question is by any means trivial). Cryptocurrency has no such positive use cases; the only case where it has an advantage over regular payment methods is crime.