# Multiverses

A Multiverse is a grouping of [Universes](https://docs.hubble.vote/fundamentals/universes) that share Contact data with one another. A [Federation](https://docs.hubble.vote/fundamentals/federations) owner can create a Multiverse can selectively add their Universes to it.

After doing so, the following Contact data is shared

* Name
* Email Addresses
* Phone Numbers
* Touches (past only)
* Tags (must be explicitly shared)