@stefan @FinchHaven seems to be basically confirmed now that they are at least using Bluesky/ATproto code because they have things like a PDS and a W-branded version of Bluesky's web app running out in the open:
https://stage.wsocial.eu/
https://pds-stage.wsocial.eu/
Whether or not this means an entirely separate network or not is another question ofc...



