17 sats \ 0 replies \ @persimmons97 OP 25 Apr 2022 freebie \ parent \ on: Email spam prevention with lightning bitcoin
I did some more research and found that CEO of Kraken made a script to do this in 2015. https://jesse.forthewin.com/blog/2015/06/elephant-grass-for-gmail-open-source-bitcoin-powered-spam-control.html