they are asking you for the pin to remind you of it. When you enetered it correctly they are using a spaced repetition algorithm [0] for the next date they show

they are asking you for the pin to remind you of it. When you enetered it correctly they are using a spaced repetition algorithm [0] for the next date they show that prompt. [0] https://support.signal.org/hc/de/articles/360007059792-Signal-PIN#pin_reminders https://support.signal.org/hc/de/articles/360007059792-Signa...