I don't know any of the details, but they seem to have moved a lot of their internal stuff to Hollow.
So maybe it's just an attempt at unification of the tech stack, rather than a concrete need. But Hollow itself is definitely heavily used within, e.g. see its whitepaper.
So maybe it's just an attempt at unification of the tech stack, rather than a concrete need. But Hollow itself is definitely heavily used within, e.g. see its whitepaper.