In no particular order we're excited about:

However Bitcoin trump's them all. It's potential to help billions of people, specifically the poorest and most exploited, improve their lives long term is unparalleled. Fusion etc is all great, but to have the entire planet gain access to perfect money and welcome billions into the financial 21st century from having nothing before is amazing. AGI potentially comes close, but is still 5 years out or so. The pace of progress of humankind is astonishing though. We love it, science ALL the things! ✊🥳