The article also talks about the future of Bitcoin mining technology. Many countries around the world, including America, are moving forward in Bitcoin mining. In the future, they are thinking of improving mining technology a lot.
Technology developed and improved with time so it has been the same with Bitcoin mining rigs. It has been evolved in years since 2009 and does not wait till 2024 or 2025 with Bitcoin institutional investor participation to happen.
If you are are curious about Bitcoin mining developments and ready to learn, I am happy to introduce
Bitcoin mining history for your reading.
From CPUs, GPUs, FGPAs, to ASICs with many ASIC generations so far, Bitcoin mining efficiency has been actually changed a lot.