Jan Wildeboer 😷:krulorange:@babble_endanger This is why I gave you links to the description on how the system works. The TL;DR is that they store group information in a way that not even they can find out who is in which group. Once th group members themselves can.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.