If finding a block is the result of mining, which is the process of transaction verification, so what will happen when all the bitcoins are mined out? The reward for mining will be gone. So who is going to verify all the transactions? will the bitcoin die when its all mined up?
Even if that takes many many years, will the halvings and difficulty skyrocketing effect the stability of bitcoin? because it will eventually just become completely unworth it to mine, which would put the bitcoin at huge risk for the 51% takeover if I am right?
Blocks will still be mined when 21m bitcoins will be in place. Those blocks wont have any reward, but there will be mining fees. So miners will still be compensated for their mining and there will be competition, just like you experience today. So, network will still be protected and there will be very little possibility of 51% attack, just like it is today.
The idea is that people will keep mining bitcoin to keep the network alive as stopping would wipe out their wealth.
Not saying it's going to work but that is the idea.
If you do not understand the system, it is better not to comment to confuse others.