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OpenTimestamps

Do it with OpenTimestamps4 steps · 6 min · freeProve a document existed on a given day, for free, step by step, with the steps kept here.

OpenTimestamps anchors your file's fingerprint to Bitcoin for free. Only the fingerprint leaves your device. Here is what people actually do with it, gathered from 0 solved problems and 1 Unlock.

1 use found0 unmarketed0 places and people0 token ideas1 build idea

Who knew?

A plain-language guide for land and family records would reach people who never heard of you.

from: Prove a document existed on a given day, for free →
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Uses the community found 1

what people really do with it

Unmarketed uses

the oh! list

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who needs it most

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Token utility ideas

a job for every holder, not a price

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