As I posted yesterday, the easiest way to follow and interact with PeerTube accounts is from your existing account on Mastodon etc (thread is here: https://mstdn.social/@feditips/110917553420332553).
However, if you want to publish videos on PeerTube you will need a PeerTube account. This can be either on someone else's PeerTube server, or you can start your own PeerTube server. You cannot use your Mastodon account on PeerTube.
Signing up for PeerTube is where it gets a tiny bit more complicated than Mastodon etc.
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