For those that won'tget into Bitcoin because, "I don't want to invest in anything that can disappear when they take down the Intarwebs.", here is one solution.

nostr:nevent1qqsgg9nm5w3gedn94re69dk7t8jvmr0jr4cv005a80vezs25ncjfx6cpr4mhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet5qgsv4pk4t26zd4fdu9ejgy7knwd3kp360xqfdzutd9344zd9v2h3hmqrqsqqqqqpnjvfze

See also: https://arxiv.org/abs/2304.14559

I <3 HAM radio, but the license thing is another fiat government barrier to this approach.