Need help learning security and persistence for Swift!!!

It’s hard to answer questions like this without knowing more about:

• The platforms you’re targeting — Features like this aren’t part of the Swift language, but rather come from the platform on which your code is running. So you’ll get different answers on, say, Apple platforms vs Linux or Windows.
• The data itself — How big is it? Does it have some sort of complex structure?
• Your sharing scope — Do you just want to store it on the device? Or share it between devices owned by the same user? Or share it between users?
• The operations on that data — Do you write to it more than you read? Do you need to issue complex queries against it?
• The threat model — Are you trying to prevent accidental leaks? Or protect the data from government-sponsor attackers? Or something in between?

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Oh, and regarding the “sensitive language” issue, I’m sorry about the confusion there. I tracked it down to a misguided content filter [1], which has now been reeducated (i. 101267407).

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

[1] It didn’t like the word diploma.