Really don't know. I looked up this account before and found nothing. I looked it up now and found nothing.
Discussion
That is the defunct https://emacs.ch/ †account.
Oh
Didn't properly check :(
I have seen other people from this 'shitposterworld' thing on nostr. So it must be possible.
There's quite a lot that come up when you searcg
The day when https://shitposter.world/ goes down would be like the burning of the library of Alexandria.
SPW has blocked the bridges so replies shouldnt reach your SPW account.