[FWKevents]

Software that would be attached to your crypto exchange, and would easily and quickly figure out the tax reporting and implications of each trade or purchase for you personally. Also - Parth Balla here on YC already has this - a nickname feature for your crypto wallet to make sending money more certain and less of a hold-your-breath and hope you didn't get a number wrong moment

[Cthulhu_]

It'd be convenient for cryptobros, but I'm not really seeing how pushing crypto will have "positive impact" in the OP's definition. It's a libertarian capitalist concept, and I'm not open to debate about it because I've yet to see anyone use crypto for anything but a way to make money.