Check out Nick Szabo and Elaine Ou's talk from Scaling Bitcoin about broadcasting Bitcoin blocks over shortwave radio. https://www.youtube.com/watch?v=QkYXPJMq

Check out Nick Szabo and Elaine Ou's talk from Scaling Bitcoin about broadcasting Bitcoin blocks over shortwave radio. https://www.youtube.com/watch?v=QkYXPJMqBNk&feature=youtu.be&t=1h22m55s https://www.youtube.com/watch?v=QkYXPJMqBNk&feature=youtu.be...