This surge in users will drive Bluesky to break the 4 million total signup capacity later today, a huge achievement considering it hit the 3 million mark just last week.

After nearly a year of operating as an invite-only platform, Bluesky recently opened its doors to the public, inviting users from all corners of the internet to join the platform. Its unique user count nearly doubled from Monday to Tuesday following its public launch, highlighting the epic interest and anticipation surrounding Bluesky’s entry into the mainstream.

However, Bluesky’s path to success hasn’t been without its challenges. Following its public launch, many of the platform’s user-generated custom algorithmic feeds encountered disruptions overnight, confirmed CEO Jay Graber. Despite these initial setbacks, Bluesky’s engineering team swiftly addressed the issues, ensuring that the platform is now operating smoothly for its growing user base.

Explaining the recent outages, Bluesky engineer Paul Frazee noted the technical challenges faced by the platform, likening them to a “multi-polar tachyon flow” overload, drawing similarities to science fiction motifs.

Despite the occasional hiccup, the overall reception to Bluesky’s public launch has been overwhelmingly positive. The platform received endorsement from legendary internet figure Dril, considered by many as the ultimate seal of approval in online circles.

With about 3 million sign-ups during its invite-only phase, Bluesky is now faced with the challenge of competing with established players like Threads, having 130 million monthly active users, and Mastodon, with 1.8 million users.

Bluesky may resemble Twitter at first glance, but its core lies in its decentralized infrastructure called the AT Protocol for social networking. Unlike centralized platforms, Bluesky’s code is open source, empowering developers to build custom algorithms or even entirely new social platforms on top of it.

CEO Jay Graber emphasized Bluesky’s focus on user experience, ensuring it’s both intuitive and enjoyable. The platform also introduces features like open federation, allowing developers to build separate servers akin to Mastodon, offering users greater choice and flexibility.

Bluesky’s innovative approach extends to content moderation. Users can subscribe to custom moderation services, including fact-checking organizations, enhancing transparency and trust within the community. However, the decentralized nature also poses challenges, particularly regarding harmful content moderation and user responsibility.

Bluesky’s journey began as part of Twitter, envisioned as its future decentralized evolution. However, with Twitter’s changing priorities under new leadership, Bluesky spun off into its own public benefit corporation, competing with Twitter’s new direction under X.

Now, Bluesky aims to enhance social networking by opening its doors to the public, providing an alternative to centralized platforms. The company is set to transform the space of social media, offering users more control, transparency, and customization options in their online interactions.

While Bluesky launches to the public, the conversation about decentralized protocols like ActivityPub continues to evolve. Despite ActivityPub’s rising popularity, Bluesky sees an opportunity to offer a distinct approach to decentralized social networking, embracing experimentation and innovation in the ever-evolving digital sector.