That's hard, you have already touched on so many topics! ๐ Hmm... ๐ค here are just a few ideas : The future of crypto (where will we go from here?), Blockchain voting (could it be trusted for voting and elections?), Bitcoin smart contracts (the upcoming taproot update)... ? ๐
Interesting, I like some of those. It's tough to pick things to write with so much content, yep :)