entropyseal.com/

Neat tamper-evidence packaging concept: a random pattern of beads that's modified when you open the package, along with a smartphone app to automatically verify the pattern is correct.

Reusable glitter basically: to fake a seal, you need to make the significant effort of positioning each bead in the right place. Possible. But very time consuming.

I'd buy one!

@nic It's actually not a new technique: I first heard about it for use in securing nuclear weapons.

@pete we're investors in DUST which does a similar thing at a much smaller scale with post-industrial diamond particles

@nic Can a smartphone take a photo of the diamond dust? Or do you need more sophisticated tech?

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@nic Too bad. Cellphone cameras would be a lot more convenient.

"@pete you need stronger optical sensors."

...also, after seeing just that message with in my notifications, my first thought was "ah! a joke about my glasses!" 😂

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