How future proof portfolio?

Made this portfolio today with my limited knowledge and hopes and dreams. Research with google, chatgpt, also tiktok and reddit recommendations. Inside there is: Tech- always a big player Btc- bought at a dip (looking for 1-2yr) Defence; Quantum computers; low marketcap stock with potential. How future proof are we talking? Is there any potential when having this for some years now. Myself being 18yr old so having time. Also this is most of my money and i really don’t have a source of income yet