btc340r

1. It's a coincidence that you can see that I've added it. Now it seems that we're all mining in silence. I've only g dozens of them. They are popular technology coins, anonymous lightning payment. ICO has started to see the follow-up promotion and application. I'm all interested in buying Wright mining machine. After all, it's not very difficult to excavate now,

2. There is no contradiction between spot crude oil and delivery, only the difference between electronic disk and actual purchase. Therefore, spot is a physical electronic disk transaction. Looking at the current trend and short-term trend, futures is expected growth and decline. So it's a big difference.