.... Janina Lowisz, AKA "Blockchain Girl", a 24-year-old management student billed as the first "World Citizen On the Blockchain". A few months back she became the proud owner of the first ever decentralised, cryptographically signed proof of existence, in a ceremony that was live-streamed across the web. Since then she has become not just a poster girl for these crypto-IDs, but an advocate for a hardline libertarian future where private contracts and distributed information replace more and more of what are now public functions. ...