Friends, if you are participating in many Signal groups (as you should, the revolution is happening in encrypted chatrooms - def. not Telegram), you might want to keep your sanity.

English: https://juraj.bednar.io/en/blog-en/2023/12/20/quick-hack-signal-on-two-numbers-for-separating-groups-and-discussions/

Slovak: https://juraj.bednar.io/blog/2023/12/20/rychly-hack-signal-na-dvoch-cislach-kvoli-oddeleniu-skupin-a-diskusii/