[dingaling]

> The entire population of earth wouldn't be able to sign up

They also have freely-available 128-bit identities, called 'submarines', that can be created on whim.

The 32-bit identities are 'destroyers', both being subsets of 'ships'.

Like everything else associated with Urbit, it's back-to-front. Real-world destroyers hugely out-number submarines.

[knubie]

They've changed the nomenclature since then. submarines -> comets, destroyers -> planet. along with 64 bit moons, 16 bit stars, and 8 bit galaxies.