What Happens When ALL 21 Million Bitcoin Are Mined? | Michael Saylor (youtube.com)
The overflow energy (from natural resource energy) can be just not used, or could be used to mine bitcoin. Solar and wind grids, they will pay people to take the energy, Saylor said.
Will Bitcoin be banned, copied, or hacked? Does Bitcoin represent sound engineering, ethics, and economics? Saylor. It's difficult to know in only a couple of years. It's not the first such attempt.
Sha256 hashing. Running on a lot of expensive hardware, decentralized, people all over the world running nodes, cost billions every year. Not CPU or GPU that could be attacked by people who have more CPU (Microsoft) or by AI data centers.
The best argument against Bitcoin is if you have a better monetary network, because then all the smart money would use it. Bitcoin currently has electricity power, computer hash power, $700b investment economic power, political power 100ks of people.
People sell their weak assets to buy their strong assets (Bitcoin is being bought).
As the network gets bigger, it becomes more conservative, stable. It's harder to make any decision about the network (limitations) the larger the network gets.