All activity
Players compete to add the most places to the map. Every week, the top 3 players in the world win Bitcoin!
StreetCred
Map the world and win bitcoin
MapNYC is a mobile contest running through October to map all the places in NYC for Bitcoin.
MapNYC by StreetCred
A mobile contest to add all the places in NYC for Bitcoin
The Groundwork Collections
Collect Data in Any Way, Shape, or Form
The Groundwork Pages
Make progress quickly with hosted web pages.