An identity has a specific field indicating whether it is "active" or "retired," and can issue a special top-level link with given permission scope indicating the identity that succeeds it.
- eg in the case of harrassment, one can hop identities and only tell close friends.
## Beacons
Any peer can operate as a "Pub" (in the parlance of SSB) or a bootstrapping node, where a dereferenceable network location (eg. DNS) can be resolved to a