How has bitcoin changed over the past 4 years?
Over the past four years, how has Bitcoin evolved and transformed? Have there been significant shifts in its value, usage, or regulatory status? Has it gained more widespread acceptance and legitimacy in the financial community? Has its underlying technology, blockchain, matured and been applied to new areas? What challenges has it faced, and how has it adapted to overcome them? What opportunities does the future hold for Bitcoin, and how might it continue to evolve in the coming years? These are the questions I'm keen to explore as we delve into the fascinating journey of Bitcoin's transformation over the past four years.