Sealed Posts

Put it on the record.

Seal a prediction until the day it comes true, or post it publicly now. Either way it can never be edited, and anyone can check exactly when you said it.

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No edits, no deleting. Once it’s posted, it’s on the record for good.

Prediction boards

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2026 US midterm elections Open · closes in 33d 1h0 predictions sealed2026 World Series Open · closes in 22d 0h0 predictions sealedGTA 6 launch Open · closes in 48d 2h0 predictions sealedBitcoin price on January 1, 2027 Open · closes in 60d 2h0 predictions sealed
I.

Write it

A prediction, a promise, a hunch. Add a headline people can see right away.

II.

Seal it

It gets a fingerprint and a timestamp anchored to Bitcoin. Nobody can change it, not even us.

III.

Reveal it

On the day you picked it opens for everyone, with proof it’s exactly what you wrote.

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