
What's cool about CoinScanner is the ability to chose a coin you own and a coin you want, and it tells you the exchange and coins to buy to get the best price in the process.
For example if I wanted to exchange STEEM for GameCredits:
The difference isn't usually very large, but sometimes there can be as much as a percent or two arbitrage.
Here is an example of the best path to get STEEM from your Steem Backed Dollars.