In 2019, Rodolfo Novak sent a Bitcoin transaction from Toronto to Michigan without internet or satellite. He used a ham radio, the 40-meter band, and the ionosphere as his relay. Nick Szabo called it “Bitcoin sent over national border without internet or satellite, just nature’s ionosphere.” The transaction was tiny, the setup finicky, and the … Continue reading Bitcoin doesn’t even need the internet to stay alive – but banks and credit cards do