There are ways to address that: One of them is to provide a downloadable copy of the web app. Another is to offer a browser extension to verify integrity. Here'

There are ways to address that: One of them is to provide a downloadable copy of the web app. Another is to offer a browser extension to verify integrity. Here's an example from Cloudflare (https://blog.cloudflare.com/e2e-integrity/ https://blog.cloudflare.com/e2e-integrity/). But even without code integrity checks, client-side encryption of user data should still radically improve user data privacy compared to the status quo of storing it in clear in a database owned by the app developer.