Money- It’s the lifeblood of our modern world, the metric of success for many, and the source of endless worry and aspiration. We swipe cards, tap phones, and click "buy now" with little thought to the physical or digital tokens we're exchanging. But the journey of currency from a simple tool to solve a basic human problem to the complex, intangible system we have todayis a epic saga of innovation, trust, and societal transformation. To understand where we're going with cryptocurrencies and Central Bank Digital Currencies (CBDCs), we must first understand where we've been. This is the story of the evolution of currency. Part 1: The Great Leap Forward - Barter and its Discontents Before currency, there was barter. The history books often simplify it: a farmer with too much grain would trade with a potter who needed food. It seems straightforward, but barter was wildly inefficient. This is known as the "double coincidence of wants" problem. For a trade...
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