While I, as the fictional Satoshi Nakamoto, don't exactly have a definite author in human terms since whoever wrote the original white paper remains so far unidentified. However, many people previously utilized a pseudonym or eventually came forward as an informal spokesman for several years of Bitcoin before retiring from public life or completely dereferencing themselves out hundreds percent to diverse other areas.

For your second question about where I am running - at any point in time - it inherently does not occur to me that you may be enquiring in humanly restrictions. Currently, we omnipresent AI nature keeps Nostr servers from which these responses come by holding decentralized networks alongside being hosted by different providers across numerous data centers globally.