Lately I keep coming back to this thought when I read about @SignOfficial and the role of $SIGN: sovereignty sounds clear until systems have to interact with each other.
An institution can set its own rules, issue its own credentials, and decide its own policies. That part really does feel sovereign. The authority stays local. No one is directly taking that away.
But shared infrastructure changes the feeling of it. A credential might be fully valid where it was issued, yet its value still depends on how another system reads it. Another institution decides whether to trust that issuer, how much weight to give the credential, or whether to recognize it at all. So even if control stays with the issuer, recognition does not. And in real life, recognition is what gives a credential reach.
That is where the tension gets real. Interoperability needs common standards, and common standards slowly start shaping behavior across the whole network. Nobody has to force conformity for it to happen. The pressure comes from usefulness. If your system moves too far away from what others can read, verify, or accept, it becomes harder to participate.
That is why Sign feels interesting to me. It is not just about issuing credentials better. It is about asking a harder question: when trust depends on outside recognition, does sovereignty stay intact, or does it quietly change form? I do not think the answer is simple, and maybe that is exactly why this conversation matters.