In the opinion of many experts, the amount of Bitcoin is exactly 21 million coins, if the Bitcoin supply is enlarged / added, the price of bitcoin will become unstable and will even decrease drastically, they predict that if Bitcoin has been mined all, then the price will be more stable and expensive, so the miners will get adequate fees. most importantly the circulation of the amount of Bitcoin can be evenly distributed throughout the world, and there is no Bitcoin monopoly by the whales.