#signdigitalsovereigninfra $SIGN #SignDigitalSovereignInfra $SIGN been thinking about expiry and how straightforward it feels until enforcement actually matters 😂
on paper it’s simple. credentials expire, verifiers reject, end of story.
but in distributed systems, truth isn’t always perfectly in sync. once credentials move across platforms, enforcement becomes coordination, not just definition.
issuers can revoke, but real-time awareness across all verifiers isn’t guaranteed. latency, caching, offline checks — small gaps where “expired” can still look valid.
add multiple issuers, different policies, different update speeds, and that clean rule starts to fragment.
can define expiry clearly, but enforcing it everywhere at the exact same moment… that’s a much harder problem 🤔
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