[Cryptography] Proof that a blockchain address belongs to a known organisation.

[Ben Laurie]

On Mon, 28 Feb 2022 at 22:40, John Levine <johnl at iecc.com> wrote:

> It appears that Fredrik Wahlgren <fredrik.wahlgren at gmail.com> said:
> >
> >Let’s say you are a charitable organisation like the red cross and that
> you
> >now want to accept cryptocurrency donations. You want to prove that a
> >certain address belongs to the red cross and could not possibly be owned
> by
> >anyone else. How do you do? ...
>
> >3) Sign the pdf using a trusted CA, why not the same used to digitally
> sign
> >the wallet.
>
> If you're going to use a trusted CA, just put it on an https web page.
>

Whilst I agree that the original proposal is silly, this does not work -
clearly anyone can copy that PDF and put it on their https page. Which does
not meet the original requirements.

Whether the original requirements ("You want to prove that a certain
address belongs to the red cross and could not possibly be owned by anyone
else.") are *actually* what you want to prove is another question.
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