Dataprivacy & Law In contrast to what many instances, mainly Mastodon, advertise, data protection is not even present in Fediverse. The important thing is to know how the software you use is working, and that’s precisely what most wannabe administrators don’t know. Once the “cache” fills up on their Server because Mastodon has downloaded all the images and stored them on their own server so that Mastodon does not have to retrieve them from the other instance every time, these noobs start crying that their instance is consuming 400 GB to 1 TB space on their hard drive.