Musk isn’t introducing a novel idea. For years, people have advocated eliminating the penny, as pennies are rarely spent as change. And since the Covid-19 pandemic, more consumers are shopping online or avoiding physical currency altogether .

Elon Musk — the world’s richest man alive — has been handed his own task force designed to reign in government spending. Here’s what you need to know about DOGE, which President Donald Trump officially created on Monday.