Sweatcoin's main premise is that physical activity has economic value. To clarify, your wish seems to have been granted: For every 1,000 steps taken, one earns 0.95 Sweatcoin.

Now, I have not tried it out yet because, from what I understand, it requires both the user to be outdoors and constant GPS access, which my battery cannot handle. It does feature a power-saving mode; however, said mode tends to reduce the app's accuracy.

On a related note, I use an app called Achievement, which pays one in fiat (either via PayPal or direct deposit) after earning 10,000 points ($10) via linking fitness applications/fitness trackers such as Fitbit and participating in simple programs and studies.

At any rate, I fully agree that earning currency for working out is a strong incentive (in addition to physical wellness, of course), and I am optimistic that soon more ventures will concentrate on creating superior applications in the space.