On July 4, Gab switched its software infrastructure to run on a forked version of Mastodon, an open source decentralized social network software known for actively banning far-right users. Mastodon released a statement the same day denouncing Gab as "seek[ing] to monetize and platform racist content while hiding behind the banner of free speech"and "attempt[ing] to hijack our infrastructure", and said that they had "already taken steps to isolate Gab and keep hate speech off the fediverse." Mastodon stated that most Mastodon instances had blocked Gab's domains, preventing interactions between these instances and Gab,[33] and that Tusky and Toot!, two popular Mastodon mobile apps, had already blacklisted Gab's domains and banned Gab users from using their app. Mastodon also stated that by paywalling features that are otherwise freely accessible in other instances, Gab "offer users no incentive to choose their platform" and "puts itself at a disadvantage compared to any Mastodon instance".[73]