[cryptography] Bitcoin observation

Arshad Noor arshad.noor at strongauth.com
Thu Jul 7 23:18:22 EDT 2011

On 07/07/2011 02:10 PM, Nico Williams wrote:
>  It's not
> possible, however, to prove that the private key still exists.

It would be if a TSA signed-object was counter-signed by the private
key in question, and the counter-signed object was further signed by
the TSA again (like Matryoshka dolls).

It assumes, of course, that the certification practices of the TSA
are acceptable for your business purpose.

Arshad Noor
StrongAuth, Inc.

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