DEPIN Project Spacecoin Executes First Blockchain Transaction in Low Earth Orbit

Spacecoin:- Turns out blockchain and space are long-lost siblings having a very public reunion. Between Justin Sun’s space jaunts and Musk’s Doge-era theatrics, the story feels endless. The ongoing TOKEN2049 in Singapore added a new chapter when DEPIN Startup Spacecoin founded by Tae Oh in 2024 demoed real blockchain activity routed through low-earth orbit.

On Wednesday, Spacecoin said it successfully routed the first end-to-end blockchain transaction through space. The proof-of-concept used Spacecoin’s CTC-0 nanosatellite to relay a signed blockchain message from Punta Arenas, Chile, to a ground station in the Azores. This amounts to a roughly 7,000-kilometre, intercontinental transit that was later validated on the Creditcoin test chain.

The @_spacecoin team has successfully made a blockchain transaction on our first satellite (CTC-0). The transaction was sent from Chile to Portugal, 7,000 km away. Now we are moving on to the next mission. pic.twitter.com/R2a5Qo9WJD

— Tae Oh 🐧 (@taelimoh) October 1, 2025

Spacecoin Achieves First Blockchain Transaction in Space

Most web2’s satellite systems are centrally owned, closed, and controlled by a single company. Customers subscribe on the provider’s terms, and often need permission from governments or telcos to gain access. However, Spacecoin’s DEPIN constellation handles the transactions, data requests and transmission on blockchain – making the system permissionless.

In this demonstration at TOKEN2049 by Spacecoin, it collaborated with European nanosatellite specialist EnduroSat. In this proof-of-concept, messages were uplinked to Spacecoin’s CTC-0 satellite from Punta Arenas, Chile via S-band radio waves. They were then re-transmitted from the satellite to a ground station in the Azores, Portugal using store-and-forward relay.

The 7,000-kilometer transmission was successfully validated on the Creditcoin network, confirming that blockchain messages can be transmitted through space while preserving their validity. This means operators and users can now interact directly, without depending on a centralized entity.

By designing the network this way, Spacecoin aims to reduce the risks of monopoly, improve resilience, and ensure that access can expand to communities that centralized systems have traditionally ignored. Simply, that’s a capability the company says could help bypass censorship, outages and cost barriers on Earthbound networks.

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Is the Project Trying to Rival Elon Musk’s Starlink?

A Reuters report and the tech and idea might have instinctively hinted you at that, however, Tae on the question of “competing with Elon Musk’s Starlink” told Block of Fame that “Not directly. Starlink is designed as a premium, high-bandwidth service, while Spacecoin is focused on something different: providing lifeline connectivity to the billions who are still offline. Our mission is to bring first-time users into the digital age by ensuring internet access is not just available, but practical and affordable for underserved populations.”

That’s evident as well. Where Starlink operates as a closed, company-owned system, Spacecoin is an open, decentralized protocol. Governments, telecoms, and enterprises can contribute satellite infrastructure to the network, creating a shared model of connectivity.

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In that sense, Tae says “it complements Starlink” and “not compete with it”. This, according to him, is like addressing different needs with different business models – and together helping expand access across the spectrum of global users.

Nonetheless, this milestone becomes significant for the industry by making it evident that blockchain transactions can bypass traditional ground internet infrastructure entirely.

Spacecoin’s near-term goal is to put several satellites into low Earth orbit so we can provide 24/7 coverage along the equator.  In Q4 2025, the company will deploy an additional three satellites, collectively called CTC-1, to enable inter-satellite handoffs, and expand demonstrations with partners across multiple continents.

It is also preparing to roll out commercial service in 2026 across several regions. The price will be kept at about $2 per month per user, which Tae told “matches what people already pay on average for mobile service in those markets.”