03
Trust surface
Verify an artifact
Open a Harbor ID, witness its anchor and confirm that the physical object, story and continuity record still belong together.
A living identity for what should endure
Meaning,
preserved.
XO brings physical craft, living stories and verifiable continuity into one place—designed to be returned to, not scrolled past.
✦
XO
MEANING · TRUST · CONTINUITY · CRAFT
Identity
xosea.eth
Registry
Optimism
01
What XO is
Technology should disappear.
What remains should matter.
Every XO experience begins with intention. A message, an artifact, a journey or a promise becomes something that can be witnessed, preserved and revisited over time.
MeaningTrustContinuityCraft
02
The living place
Enter Harbor
Send something that matters. Seal the ritual. Let it arrive. Receive a reply. Return to the story later.
Begin the journey ↗
MY HARBOR
RETURN TIDE
A living story waits where you placed it.
04
Web3 payment identity
Pay XO
Send supported crypto using xo.box. Payment records can resolve the name to an approved XO treasury destination while ownership remains secured by the cold identity.
PAY TO
xo.box
Resolution and supported networks must be confirmed before launch.
001 / 011
Founder Edition
The first physical key to Harbor.
A presentation box, Voyage Guide, message vessel, Harbor Pass, certificate and wax seal—made as one carefully preserved experience.
Discover Founder Edition ↗