At least in Germany, you can, but it's still tied to an ID, so you'd need to find someone who's willing to sell it and potentially get in trouble. When you buy

At least in Germany, you can, but it's still tied to an ID, so you'd need to find someone who's willing to sell it and potentially get in trouble. When you buy a prepaid SIM in the supermarkets, one of the first things you have to do when installing it in your phone is do some kind of ID verification, either with the digital functionality in your ID or via some app like Postident which will do a face and ID verification.