So we have a year to see if that will happens or not but I think it will happen and it will push bitcoin price to make ATH again.
The fewer rewards will cause the price to increase higher, and it's an economy law

When supply is decreasing, the demand will be an increase, and that will impact the price.
I believe that the price can increase more than $20k-$30k or more than that in the future.
I think Satoshi Nakamoto is an economist too because he knows about the economy law
