I have a small amount of Bitcoin so this scenario would be good for me, but the looming crisis is that transaction fees will go really high (or the chain will b

I have a small amount of Bitcoin so this scenario would be good for me, but the looming crisis is that transaction fees will go really high (or the chain will become insecure) once Bitcoin’s inflation runs out. The magical 21 number will come into question, which will really dent confidence in the entire premise.