Q&A with Mastodon founder and lead developer Eugen Rochko on how decentralized social media servers mitigate hateful speech, why he built the service, and more
As Twitter changed hands at the end of October, another very similar social media site was experiencing something of an influx.
TIMEBilly Perrigo
Context & Ripple Effects
This TIME interview lands at the moment Twitter changed hands at the end of October, when Mastodon was absorbing an influx of refugees and Rochko was making the case that federated servers — each with its own moderation rules — structurally mitigate hateful speech better than one centralized feed. The numbers behind that claim arrived weeks later, when he reported monthly active users had grown from roughly 300,000 to 2.5 million in November.
The interview is also the earliest data point in a longer arc about whether a volunteer-run, ad-free network can sustain that growth: by December Rochko was outlining a Mozilla-style split revenue model with no ads, and by 2025 he had stepped back entirely as Mastodon moved to a nonprofit board structure.
First-order effects
Users leaving Twitter after the ownership change are landing on Mastodon instances, where content moderation is delegated to individual server administrators rather than a single company policy team.
Rochko, as founder and lead developer, becomes the de facto public voice explaining federation and moderation to a mainstream audience encountering decentralized social media for the first time.
Second-order effects
The sudden scale-up forces a funding decision: Rochko rules out VC money and pursues a revenue-sharing model like Mozilla's, keeping ads out while instance operators share costs.
Twitter's turmoil hands every federated alternative a recruiting window, pressuring Mastodon to prove its moderation story holds under load rather than just in principle.
Third-order effects
If the pattern holds, decentralized social networks institutionalize: Mastodon's eventual shift from founder-led project to nonprofit-governed organization suggests federation needs formal structures to survive its own growth.
Moderation-by-federation becomes a testable alternative to centralized platform policy — if instance-level rules hold up at millions of users, regulators and rivals have a working counterexample to the single-company model.
The trend: Decentralized social media is converting moments of centralized-platform upheaval into durable user growth, forcing federated projects to build real governance and funding models.
I've tried very hard not to shit on Mastodon, because Making Software Is Hard, but at some point you do have to question some of the decisions made https://twitter.com/...
Founder of Mastodon shares that there has been almost 500K new users in 10 days. If you've had a buggy onboarding, that might be why. I'm enjoying it so far. Find me: https://mastodon.world/... https://twitter.com/...
lol i'm kinda torn between “holy fuck, this is extremely bad for privacy” and “yeah well maybe it would stop people being such snide backroom-dealing bastards all the time” https://twitter.com/...
If nothing else Mastodon is introducing people into the whole Open Source tradition of trying to be enthusiastic about something really bad that doesn't work at all because you don't want to be rude to the maintainers and the thing you really want to use doesn't work anymore.
This is the kind of thing that happens when you're development team has only a bunch of nerds, you need people that gossip when making a social network. Diversity is important https://twitter.com/...
On Mastodon, mentioning someone in a DM adds them to the conversation the same way mentioning them in a thread would. That has got to have led to some awkward experiences 🤣 https://twitter.com/...
However, the system is clearly (and unsurprisingly) also straining under the newfound load right. Many servers are closed to new signups, so you have to look for one that will take you, which may not be where most of your friends are. That's OK (see above), except that... 2/
A lot of new Mastodon users over last few days. An explanation on why you have to join a server at sign-up. May not turn out to be the Twitter replacement but worth trialing it. Will be problems, patience needed. Keep your Twitter going for the moment. https://www.bbc.com/...
Mastodon seems to excel at thoughtful discussion, which Twitter is especially bad at. One reason is of course the higher character limit but I think it's mostly the culture. After being conditioned by Twitter, it's shockingly refreshing to regularly see long, deep conversations.
“When hate-speech servers do appear (on Mastodon), other servers can band together to block them, essentially ostracizing them from the majority of the platform” 👏https://time.com/...
Like many people, at first I approached Mastodon as a Twitter alternative since they have similar functionality. But in fact they're both socio-technical systems shaped as much by community and culture as the tech. In that sense, I realized that Mastodon is the anti-Twitter. 🧵
I've been using Mastodon for a couple days now. A couple (nonexpert) observations The system as a whole functions. The major servers (that you're likely to sign up for) federate with each other, which means you can, in principle, follow and be followed just about anywhere. 1/
Ed's piece/thread gets at another non-trivial problem with Mastodon. Beyond the network effect for marginalized people like myself, the hoops you must jump through to get going on Mastodon are simply insurmountable for the masses. It won't work. It's not accessible. https://twitt…
I've been on Twitter since 2007 & it wasn't until this week that I felt compelled to find an alternative. Mastodon isn't the same; it's not meant to be! But it's fascinating in its own ways, & recaptures some of the magic of early Twitter. Here's my take: https://www.cnn.com/...