Bitcoin mining is gradually moving from science fiction to real-world exploration. U.S. startup Starcloud, backed by Nvidia, plans to launch a dedicated mining ASIC on its second satellite in the second half of 2026 to conduct on-orbit Bitcoin mining tests. If successful, the company will be the first in the world to achieve Bitcoin mining in Earth orbit.
Starcloud's vision is not just a marketing gimmick. Company founder Philip Johnston points out that space offers abundant and stable solar energy resources that do not compete with terrestrial power grids. This provides an ideal environment for high-energy, low-complexity computing tasks. Compared to AI models that require expensive GPUs, high bandwidth, and complex deployments, Bitcoin mining only requires stable power, standardized hardware, and basic communication links, making it more suitable as one of the first application scenarios for space computing.
In fact, Starcloud is not starting from scratch. Founded in 2024, the company initially focused on building orbital data centers to meet growing computing power demands. Its first satellite has successfully deployed Nvidia H100 GPUs and completed on-orbit AI model training, verifying basic computing capabilities in the space environment. This technological accumulation lays a practical foundation for the Bitcoin mining project.
Despite the enticing prospects, challenges remain significant. Currently, space launch costs are high, and space hardware must withstand strong radiation, micrometeoroid impacts, extreme temperature variations, and an unmaintainable environment. Although some companies are optimistic about the future of space data centers, mainstream technology giants remain cautious. For example, the head of Amazon Web Services (AWS) stated in early 2024 that space computing infrastructure still has a long way to go before it becomes economically viable.
Starcloud's attempt is a cutting-edge experiment exploring the integration of cryptocurrency and aerospace technology. Even if it is difficult to scale up in the short term, its significance lies in providing new ideas for energy utilization and computing power deployment in the future space economy.