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

[John Levine]

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.

R's,
John