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I've read that both theymos and Sirius hadn't any special contact with Satoshi. Sirius purchased the domain, helped by spreading bitcoin and theymos was later an admin on this place. (I believe that satoshi gave him the admin role)
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Re: How did Satoshi register bitcoin.org?
Theymos maybe you want to post a more appropriate source.
Satoshi owns the domain so this is up to him.
I remember that bitcoin.org was registered with Anonymous Speech when Satoshi owned it. You can probably confirm this with one of the services that provide historical whois data.
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I think that the most interesting thing about the Satoshi Nakamoto pseudonym is that it is perhaps only partly
pseudonymous.
The whole is greater than the sum of its parts, although the originator, in all likelihood, was/is one individual.
It is interesting to note how the mythopoeia somewhat started in the "Is Satoshi Alive? Thread" though.