I love the idea of integrating the lock so that it needs to be attached to an existing bike rack. Lime bike and Ofo have infiltrated Dallas, and their bikes are somewhat of an eyesore, especially as they are strewn everywhere. It'll be interesting to see how they enforce the location requirement. i.e. will you be charged if it's stolen because you didnt lock it on a rack? Will they have a known database of every "sui…
In an ideal world, there would be lots of small bike rack units created, but local councils will lag by years to actually build them.
I think it will be better to work with councils to esablish "virtual racks", ie places where the app will show it's fine to park. Ideally augmented by physical signs and so on, but not requiring the full infrastructure of racks, which are somewhat obsolete in this context.