• PM_Your_Nudes_Please@lemmy.world
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    5 hours ago

    Think of it more like email addresses. Know how a Gmail account can send email to an iCloud account just fine, and both display the same content? Same basic concept. You can have [account]@domain1.com and [account]@domain2.com, and they’re entirely separate accounts. Even if they have the same username, they’re on different instances.

    Federation refers to how the instances share data with each other. One of the largest things to look for is what instances your instance federates with, because that will determine what kinds of users you end up interacting with.