They already have a Privacy IACO aircraft address, you file some paperwork to the FAA, and you can rotate your aircraft's identifier every 60 days [1]. However

They already have a Privacy IACO aircraft address, you file some paperwork to the FAA, and you can rotate your aircraft's identifier every 60 days [1]. However this is only for domestic flights, and wouldn't work when flying out of or into the United States. [1] - https://www.faa.gov/air_traffic/technology/equipadsb/privacy https://www.faa.gov/air_traffic/technology/equipadsb/privacy