Lucas Duplan is only 21. But his secretive start-up Crinkle just raised $25 million from some very big name investors. The plan is to launch an app that will replace your wallet. (I wonder if the investors paid by check…)

+ Crinkle is getting a lot of hype considering that the company is focused on payments made here on Earth. PayPal is already looking into becoming the payment platform for people in space.