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Opentimestamps does this for free.
Thank you for that. Didn't know about opentimestamps. Will take a look.
Cool! Check out opentimestamps. Batches up document digests into a merkle tree and commits the root in a block. Means its free to use because it can timestamp thousands of documents/files in a single transaction. And there's a command-line client!
Unfortunately, it seems like the project has been inactive for quite some time. Anyone have any news on this?
deleted by author
That link doesn't seem to be working for me.
https://archive.ph/bGomy
The trick is in the screenshot with the OP_RETURN as destination address, I would never have thought to just try that.
interesting. thank you for that info!
What's the use case for this? I can't think of any real world use case
A few but one that comes to mind is using it to verify an important document such as a Will is verifiable and not tampered with after the fact.
Found a way to do this for free* using Sparrow wallet: https://www.cornpharmer.com/adding-op_return-data-using-sparrow-and-embit/
*tx fees
got a working link?
very nice, thanks for sharing
My god that's expensive. You can do it yourself easily.
Opentimestamps does this for free.
Thank you for that. Didn't know about opentimestamps. Will take a look.
Cool! Check out opentimestamps. Batches up document digests into a merkle tree and commits the root in a block. Means its free to use because it can timestamp thousands of documents/files in a single transaction. And there's a command-line client!
Unfortunately, it seems like the project has been inactive for quite some time. Anyone have any news on this?
deleted by author
That link doesn't seem to be working for me.
https://archive.ph/bGomy
The trick is in the screenshot with the OP_RETURN as destination address, I would never have thought to just try that.
interesting. thank you for that info!
What's the use case for this? I can't think of any real world use case
A few but one that comes to mind is using it to verify an important document such as a Will is verifiable and not tampered with after the fact.
Found a way to do this for free* using Sparrow wallet: https://www.cornpharmer.com/adding-op_return-data-using-sparrow-and-embit/
*tx fees
got a working link?
very nice, thanks for sharing
My god that's expensive. You can do it yourself easily.