Articles
How the proof actually works, written so any paragraph stands on its own. Each article belongs to the product it explains.
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Verification Anyone Can Perform
Two products, identical to the eye. How anyone with a modern phone can tell them apart in about a second, with no training and no app.
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Cryptographic Proof You Can Trust
Why a counter that only moves forward defeats copied links, and what the chip signs on every single read.
Read the ArticleMore articles are on the way: tamper evidence, custody records for sellers, and how StampCats proves you were there.