Bitcoin is reliable

2. Unreliable, there are some powerful hackers can brush out

3. I think this bitcoin is a virtual currency after all. I don't think it's reliable to buy it on any platform.

4. Fishbone mining method is to dig a straight line first, and then along the straight line to the left and right for straight-line mining, to dig a straight-line tunnel every two grids.

5. The security performance of okex digital currency trading platform has always been very satisfactory

6. There are many bitcoin trading platforms in China, but few of them are powerful and formal. If you need to, you can try the okex exchange. It has a very good reputation in the currency circle. Are you happy with my answer? Please accept

7. Don't believe that there will be pie in the sky. I've been cheated myself. Please don't put money in my friends! If you throw it, you'll beat the dog. There's no way back