Looking up this block…
This block isn't in the vault. The link may be incomplete. Browse the archive or strike your own →
⬒
Hold this block in your hand
A metal-composite coin, printed in real copper and iron filament, with an NFC chip inside. Tap it with any phone and this page opens, re-verifying the proof in front of whoever is holding it. Engraved with this block's zeros. Made to order.
No charge now. We email you when your coin enters the mint queue; pay then or simply pass.