The protocol used is identified as JS8Call which enables users to connect a shortwave radio to a computer.
Second attempt today, through the #SnowStorm.— NVK (@nvk) February 12, 2019
Sending free #Bitcoin over #JS8Call [7.077Mhz]
To RX you don't need a Ham license–in most countries. Get your SDR connected to @js8call and a 7Mhz (40m) antenna.
*(for experimental non-commercial purpose)
Hmmm… Why don’t I think everyone is going to be pleased with this development?