Is it normal to have a folder named xxx.c9r in my Cryptomator vault?

[cris]

Hi, in my vault, there is a folder ending with .c9r :

Is it normal ? what is this folder for ?

When I look inside, I have this :

Regards

[infeo]

@cris

Is it normal ? what is this folder for ?

Yes, see Security Architecture — Cryptomator 1.7.0 documentation.