possible. "printable" seems to be just the category but not that it was actually printed. of course some people print base64 of encrypted passwords (for offline

possible. "printable" seems to be just the category but not that it was actually printed. of course some people print base64 of encrypted passwords (for offline storage) that would otherwise contain unprintable characters. usenet exists since 1979/80 [1] and base64 was first described in 1987 [2]. 1: https://en.wikipedia.org/wiki/Usenet https://en.wikipedia.org/wiki/Usenet 2: https://base64.guru/learn/what-is-base64 https://base64.guru/learn/what-is-base64