Storing strings in a Database that are only visible to their owner who stored them when they were logged in

In my application, logged-in users create some strings, and those strings are stored in the Postgres database.
But, because they are in plaintext, their values are visible to me, as I have access to the database.
Is there a way to do some … Continue reading Storing strings in a Database that are only visible to their owner who stored them when they were logged in