[golem14]

You may want to look into Sütterlin script. It's a bit harder to learn than standard cursive, but it's very pretty, and a level-0 encryption since few people can read it nowadays.

[eru]

Eve can probably just take a picture and ask her AI assistant to read your Sütterlin?

[golem14]

Maybe, that's why it's level-0. As in, "there is now a level zero".