According to @rovercrc, a Bitcoin (BTC) Lightning payment was successfully sent via satellite in outer space, highlighting a novel transmission path for BTC transactions; source: Crypto Rover on X, Sep 10, 2025. The Lightning Network enables fast, low-fee BTC payments, and satellite services such as Blockstream Satellite are designed to keep Bitcoin users and nodes connected without internet, underscoring potential resilience benefits for transaction routing; sources: Lightning Labs documentation and Blockstream Satellite official page. For trading, monitor BTC spot and derivatives volumes alongside Lightning Network capacity and node counts as adoption proxies around such infrastructure headlines; sources: CME Group Bitcoin futures volume data and Lightning network statistics directories such as 1ml.