My guess is that in not very distant future Nostr relays on Tor will be the standard.

nostr:nevent1qqsxkxhrtjasewr6msce96uzhr22ezd3wnc5r76fnwx6stltrljjnqspr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp0qyg8wumn8ghj7mn0wd68ytnddakj75es28l