Hay stack Mass KeyGen for Cryptography Soft via RNG
Haystack of 1,000,000 *.keyx files generated in 'K:' Light weight, concealable/lo-profile MicroSD key for VeraCrypt, KeePass/XC etc.
Perfect, air-gapped with Kingston USB Micro SD Reader FCR - MRG2 Adapter, I wear it around my neck. (One in transit, one at A and one at B) I remove to interface via PnP to unlock file(s)/containers (eg *.kdbx or VeraCrypt) whether via USB ports on my machine, laptop or mobile phone via the now standardised Type-C USB-C OTG Cable Male to USB3 female.
Breaking up the philosophy of security via obscurity, a nice addition to following the philosophy of authentication ~ Something You Have, Something You Know, and Something You Are...
If the origins of this philosophy do strike intrigue then strike a key when instructed Otherwise Ctrl C below as the keys are done. Additionally these type of keys can be easily hand written and reconstituted digitally, printed (Cold Storage) and/or sent under the stamp of postage mail. I can't tell you all my tricks but get creative if you are going to post a hard drive across Jurisdictions
Missing link mentioned : https://security.stackexchange.com/questions/33667/what-is-the-origin-of-the-three-factors-of-authentication