The article discusses how people can pay taxes without using cash, like giving items or services instead. This is called "in-kind tax paying." It shows that in-kind tax paying is a real thing in the US, even though most taxes are paid with cash. The article categorizes different ways people pay taxes in-kind and argues that it can be a good option for governments. It also warns about the risks of in-kind tax paying and suggests ways to make it safer. Overall, the article concludes that in-kind tax paying is a valid way to pay taxes, even in a cash-based economy.