SpaceChain Callisto

Programmable hardware board that allows you to develop blockchain applications and deploy it in space.

Turning Your Blockchain App Ideas Into Reality

Have a great idea for a blockchain application that can be used in space? Turn your dream into a reality with our open-source demo hardware board – SpaceChain Callisto.

It is pre-installed with a dual operating system: SpaceChain operating system (SPC OS) and Linux OS ━ to enable developers, like you, to design on-orbit blockchain applications that can be used and deployed in space.

What Makes Callisto Unique?

Callisto is configured to be similar to our on-orbit payload that was installed in the International Space Station (ISS) in December 2019.

While the application is not connected to the ISS, you can still do the following:

  • Create your dream application
  • Run tests and simulations through your computer
  • Evaluate if your application will actually work in space

Best of all, it is open-source, enabling you to develop your blockchain applications more easily.

SpaceChain Callisto


SpaceChain Callisto is equipped with ZYNQ FPGA and integrated with a power supply system, DDR, NAND flash, TF card and Ethernet.

The hardware board comes with 42-pin I/O ports, allowing advanced users to use Vivado to program the board and include functions such as UART, I2C and CAN.

Click here to download the technical files about the SpaceChain Callisto.

See Inside

Click the image to enlarge it.

Hardware Specifications

  • 128MB NAND Flash 
  • 256MB DDR3 SDRAM 
  • 16-bit data bus 
  • 10/100Mb/s Ethernet


  • TF card port: one TF card port 
  • Debugging serial port: one channel, UART1 
  • Data transmission channel: One channel, 10/100Mb/s Ethernet port o Input: One button 
  • LED: 2 LED lights  
  • JTAG debugging ports: One 14-pin double-row debugging interface  with 2.54 mm spacing 
  • Extension ports: 3 × 20-pin (60 pins in total) double-row interfaces with  2 mm spacing

Why SpaceChain Callisto?

SpaceChain’s groundbreaking open-source demo hardware board is proof of our ardent efforts to bring our disruptive technology to the masses as we continue to discover more commercial use cases for blockchain-based satellite networks in space. We are one step closer to making the SpaceChain OS available to anyone, anywhere in the world.

Jeff Garzik

Co-Founder & CTO, SpaceChain

Exclusive Merch!

The SpaceChain Callisto development kit comes in limited quantities and can be yours for only 10,000 SPC tokens. Get it today!


As always, please feel free to email or reach out to our admins on our social media platforms, if you have any enquiries.

There will also be more SpaceChain software and hardware boards for sale, stay tuned!


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