Yes and no.
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On the Fediverse, roughly there are 2 concepts of an account.
One of them is a Fediverse ID. That is what most people are familiar with.
For example:
@joeblow@example,com
But (using acct-URI and WebFinger) this gets resolved to a URL. And, usually that URL is an HTTPS URL.
For example:
https;//example,com/@joeblow
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So, for Retejo —