@CathyBikesBook @fediverso As far as I know, Login from Mastodon does not work on Lemmy and vice-versa. From my point of view this is a weak point, although we can say the same about e-mail: you can read and write from and to proton, tuta, yahoo, gmail, etc. no matter what mail provider you have. But if you have a gmail account you can't use it to login into yahoo mail.