[Ssc-dev] BTProof site

[Harlo Holmes]

proof of existence's API is http?  it looks very simple, though.

On Wed, Mar 25, 2015 at 10:12 PM, Nathan of Guardian <
nathan at guardianproject.info> wrote:

> I just found another: http://www.proofofexistence.com/about
>
> What is proof of existence?
> Use our service to anonymously and securely store an online distributed
> proof of existence for any document. Your documents are NOT stored in
> our database or in the bitcoin blockchain, so you don't have to worry
> about your data being accessed by others.
>
> All we store is a cryptographic digest of the file, linked to the time
> in which you submitted the document. In this way, you can later certify
> that the data existed at that time. This is the first online service
> allowing you to publicly prove that you have certain information without
> revealing the data or yourself, with a decentralized certification based
> on the bitcoin network.
>
> The key advantages are anonymity, privacy, and getting a decentralized
> proof which can't be erased or modified by anyone (third parties or
> governments). Your document's existence is permanently validated by the
> blockchain even if this site is compromised or down, so you don't depend
> or need to trust any central authority. All previous data timestamping
> solutions lack this freedom.
>
> On Wed, Mar 25, 2015, at 10:02 PM, Nathan of Guardian wrote:
> > This site sums up a lot of what we've been thinking about. It isn't a
> > notary itself though, and it still requires the user to have a bitcoin
> > wallet with money in it, and know how to use it.
> >
> > Still this is a pretty great service.
> >
> > ***
> > BTProof
> > Trusted timestamping on the Bitcoin blockchain
> > https://www.btproof.com/
> >
> > What is trusted timestamping?
> > Trusted timestamping allows to prove you held a document, some
> > information or a file at some specific point in time, in a way that
> > can't be forged. Read more at Wikipedia.
> >
> > What is it good for?
> > Before signing an NDA, you can keep a trusted proof of the knowledge you
> > had in that field prior to to signing it.
> > You can prove you developed a specific revesion of your software in a
> > specific point in time by timestamping the hash of your revision tree.
> > With Git, its as simple as timestamping the current commit SHA1.
> > Before sharing your ideas with third parties, you can timestamp the
> > information you're about to share with them, as well as the fact that
> > you're sharing it with them, to help resolve possible disputes.
> > Contracts can be timestamped (along with digital signatures of both
> > parties) to prove when they were signed.
> > Musicians and other digital art producers can prove when they created
> > their work.
> >
> > --
> >   Nathan of Guardian
> >   nathan at guardianproject.info
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>
> --
>   Nathan of Guardian
>   nathan at guardianproject.info
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