Hello,

We have a great Bitcoin Doubler for sale.

It is fully source code and working fine with API V2 of block.io and gourl.io

No need to download bitcoind. Every thing is with API

It is fully automatic.

You can set different kinds of plans.

Tested and working well.

If you're gonna to buy this awesome Bitcoin Doubler script you can buy it online and download it immediately.

We also provide hosting and domain for Bitcoin Doubler that you can purchase at the same order page.

Just Add To Cart and pay online via Bitcoin or Perfectmoney.

To see Bitcoin Doubler demo check here: DEMO

To purchase online check here :  PURCHASE ONLINE