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A comment on Hidden surprises in the Bitcoin blockchain and how they are stored (2014).

Re:Hidden surprises in the Bitcoin blockchain and how they a... by Tutankamon on Tuesday August 01, 2017 @10:25AM (#14900920)
A map to find treasure or secret passwords or the end of the world plans...Just imagine what could end up in the blockchain. Part time capsule part safe part invisible ink part James bond part infinity. Just think of all the craziness..I need to put something in the blockchain. But what...
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Re:Hidden surprises in the Bitcoin blockchain and how they a... by cassetti on Tuesday August 01, 2017 @11:57AM (#14902098)
https://proofofexistence.com/
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Re:Hidden surprises in the Bitcoin blockchain and how they a... by amingilani on Tuesday August 01, 2017 @01:59PM (#14903468)
Or my favorite: stamp.io

If you have an Estonian ID, Stamp.io lets you sign it too!

Full disclosure: I know the Stamp.io team, and they're awesome.

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Re:Hidden surprises in the Bitcoin blockchain and how they a... by tragomaskhalos on Tuesday August 01, 2017 @11:26AM (#14901678)
With terrible Dan Brown book and Tom Hanks film to follow ....
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