We explore the history of the weirdest and most important human invention, from cowrie shells to trillion-dollar coins. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

We explore the history of the weirdest and most important human invention, from cowrie shells to trillion-dollar coins. Learn more about your ad choices. Visit megaphone.fm/adchoices

We explore the history of the weirdest and most important human invention, from cowrie shells to trillion-dollar coins. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices" rel="noopener noreferrer">megaphone.fm/adchoices</a>

Money: We totally made it up

To change the world, we may need to change money first. Best New Ideas in Money explores innovations that rethink how we live, work, spend, save and invest. Each week, MarketWatch financial columnist James Rogers and economist Stephanie Kelton will talk to leaders in business, tech, finance and government about the next phase of money's evolution, and meet real people whose lives are being changed as these new ideas are put to the test.

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Money: We totally made it up

Money: We totally made it up