witchlectical runeterialistPSA: Mastodon is cool and fun and the federation and community control are great wards against the evils of capitalism. However, remember that due to how federation works, it's possible for someone determined and malicious to run an instance and read private and locked messages. Be careful what you post and keep private info in secure messaging applications that guarantee privacy.
fenny, annoying weirdo@anna tbf i would say the same thing about any online messaging service that doesn't have independently-verified end-to-end encryption
basically emails with openpgp and telegram are about all i'd trust for the msot sensitive things