Starcloud plans to test whether cryptocurrency workloads can operate in orbit, following an earlier mission that flew an Nvidia H100 GPU in low Earth orbit. Company executives said a second spacecraft slated for launch later this year will carry application-specific integrated circuit (ASIC) Bitcoin mining hardware, turning last year’s orbital computing demo into a dedicated crypto experiment.
From AI GPU Demo to Space-Based Mining
Last year, Starcloud launched a spacecraft equipped with an Nvidia H100, a high-performance data center GPU widely used for artificial intelligence and high-performance computing. The company now says its follow-up mission will place Bitcoin mining ASICs on a separate craft to evaluate whether proof-of-work computations can be sustained in space conditions.
Details such as the specific ASIC models, anticipated hashrate, onboard power budget, and communications architecture were not disclosed. The company did not provide an exact launch date beyond indicating the mission is planned for later this year.
Why Run Crypto Work in Orbit?
Operating mining hardware in space could offer unique resilience and geographic diversification for decentralized networks. Continuous solar exposure in certain orbits could provide predictable power, and space-based infrastructure may add redundancy to terrestrial computing resources.
However, running compute off-planet introduces significant challenges. Launch costs and mass constraints limit hardware choices, while spacecraft must handle thermal management, power generation and storage, radiation exposure, and communications. For Bitcoin mining specifically, reliable power and connectivity are critical; while ultra-low latency is not required for hashing itself, delayed block propagation and limited bandwidth can affect efficiency and revenue.
Key Technical Considerations
- Power and energy storage: Mining ASICs draw substantial power, requiring robust solar arrays and batteries sized for orbital operations.
- Thermal management: Heat rejection in vacuum relies on radiators, making cooling a design and mass trade-off.
- Radiation and reliability: Space radiation can impact electronics and uptime, necessitating shielding and fault-tolerant systems.
- Communications: Sustained links to Earth are needed to receive block headers and submit shares; bandwidth and latency affect performance.
- Economics: Hardware costs, launch and operations expenses, and potential downtime must be weighed against expected mining rewards.
Outlook
If successful, Starcloud’s mission would provide empirical data on the feasibility and economics of space-based crypto workloads. The company has not announced further technical specifications or partners for the mining payload. Additional updates are expected as the launch window approaches later this year.