Well one big exception being Bitcoin, for some values of "change the world". Without BTC, maybe dark markets wouldn't have taken off, and who knows how many peo

Well one big exception being Bitcoin, for some values of "change the world". Without BTC, maybe dark markets wouldn't have taken off, and who knows how many people would go without access to medicines, or deal with quality/legal/violence issues. People thought of digital money before, but Bitcoin's implementation set it apart, no? Perhaps the same can be said for Tor, as well.