Cryptolator, and at least one other, used a passphrase that you had to put into a brainwallet to get the private key.
There are a few, that should be avoided, that use an online site to get the private key / coins.
Interestingly, I really didn’t know this and I always thought it was exclusively private keys hidden under a hologram in the sense that it was some sort of standard held by all who before and today produced such physical coins. The most famous coins of this type are
Casascius physical bitcoins that have stopped being produced because the owner received a warning that he must register in case he wants to continue producing coins.
Of a truth, I never knew of the existence of any form of the bitcoin innovation o have evolved a physical nature to it such as the Casascius Physical Bitcoin Iet this thread. I've heard of collectibles and have a fair knowledge on the matter but for Casascius Physical Bitcoin, I was very much a numb until I read the reference in this quote.
It feels sad how your environment could do this to you (at myself) keeping you back on every innovation and we happen to be the second adopters and even when we get to identify this opportunities, the funds becomes another issue.
The more reason I appreciate the forum and people in it. Thanks for the education!