Perhaps search hnn for "cryptocat" which was an attempt to do e2e chat through a website a dozen years ago. It was somewhat controversial at the time. https://

Perhaps search hnn for "cryptocat" which was an attempt to do e2e chat through a website a dozen years ago. It was somewhat controversial at the time. https://hn.algolia.com/?q=cryptcat https://hn.algolia.com/?q=cryptcat The author gave up on it after a while and the website stopped working.