On this site you can depostit Bitcoins to buy hashrate to mine scrypt-based Coins like Litecoins. But you get paid in Bitcoins every ten minutes. The paid amount depends on the amount of Bitcoins invested.

https://scrypt.cc?ref=baiXB

At the moment die ROI or Break Even-Point is reached in about 60 Days. This means after 60 days you got your entire invested money back and make profit! You also have the option to re-invest your received payments!