Shaking out your couch cushions for spare change used to be the move when you wanted to scrounge up some quick cash, but if ...

The sales data for coins or coin collections on eBay has a sell-through rate of approximately 1,525%. Monthly sale earnings for coins can reach upwards of $290,000. For many high-value coins ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...