The world of crypto currencies is a mini wallstreet where you can experiment with small amounts.
You can collect various crypto currencies and start swap for higher profits.
You need secure wallets for multiple crypto currencies?
Recommend this services: Cryptsy
This page offers four crypto currencies : BTC , LTC, DOGE and DRK . All with a real market value and can be changed to dollars. The profitability of the product is high when all currencies are collected , besides having a system of 50 % extra bonus for each referral.