Here's something Dick put together from one of his friends at a "smart" agency. You can employ this method for your wallets and try it out for yourself.
There is an accompanying pdf which I've attached.
Enjoy. More sessions coming...
UPDATE ***************************************************************************************************
Ok All. Straight from Dick. He asked me to post this:
DICK ALLGIRE’S CIPHER CHALLENGE
Dick Allgire here. I’m glad you are having fun with my encryption lesson.
Some of you claim this cipher is easy to break. Okay, here’s my challenge:
BRXHT PZGIM OZESA BQTQB GNZJT IBBPV OIQBS OVOZM OQPMO VODYY
Send me the message back in clear text by
07:00 28 March 2019 and I will send you 1 Litecoin.
Good luck,
Dick
***************************************************************************************************