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A comment on Becoming a blockchain developer. Parent comment

Re:Becoming a blockchain developer by lawn on Monday February 10, 2020 @09:12AM (#22289215)
You would embed the hash in another cryptocurrency, like in Bitcoin.

Here's a simple walkthrough of how to do it in the Bitcoin Cash blockchain for instance:

https://whycryptocurrencies.com/timestamping_service.html

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Re:Becoming a blockchain developer by Scarblac on Monday February 10, 2020 @10:16AM (#22289774)
So it's an extension of the currency usage, not a blockchain application on its own.
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