A Great, & secure online crypto wallet like Coinbase, (you can buy, sell BTC, Doge, LTC, also store a wallet) Give you for each referral who signs up and complete a purchase (low as 10$) $10 off your next purchase of digital currency. But not all, You & the Referral get both $10 in credits for next purchase!

the signup is simple, Free, no verification needed! low min amount purchase as 10$
So, if you refer 10 peoples, you get 100$ in balance to purchase with, you can use it immediatly

Link: http://goo.gl/9ZMynT

i have proof, just comment