Struck on silicon
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Struck on silicon
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You are holding this block. Your phone opened this page from the coin's chip, and the proof below was re-checked the moment it loaded.
Checked in your browser, just now.
double SHA-256The 80-byte header your browser hashed
The record
Where it sits on the ladder
Hold this block in your hand.
$39US shipping included
A 3D-printed coin with an NFC chip inside, printed to order in the USA. Tap it with any phone and this page opens, re-verifying the proof in front of whoever is holding it. Clay orange, copper, or ink black, chosen at checkout.
Typically in the mail within ten business days. Made to order; see the terms.