I have done deep research into this matter and I really like it as $SIGN feels almost purpose built for e visas, the whole protocol is about turning government decisions into verifiable, portable attestations that other systems can trust without rerunning the process.
I personally watched that a SIGN powered e visa flow, immigration authorities issue a schema based attestation stating who you are, what type of visa you hold, how long it’s valid, and under which conditions it can be revoked. That attestation lives on shared rails as cryptographic evidence rather than a PDF or email, so airports, airlines, and even partner states can verify it in real time instead of juggling screenshots and API integrations….
I have not found it as countries like the UK move fully to digital eVisas linked to online accounts, the missing piece is a global trust layer that lets that status be checked safely across borders SIGN is explicitly designed as sovereign grade infrastructure for exactly that kind of national ID and border control use case……
I see if you care about a future where “visa approved” means fast lanes and fewer failures at the gate, watch how quickly governments start expressing those approvals as $SIGN attestations instead of opaque database flags and imagine planning your next trip knowing your status is a live, verifiable claim you carry with you, not a sticker that can be lost or faked.