hi my friend, i have a answer for your question , you can read it and you will know how many post you can post activity, and, when your rank up level https://bitcointalk.org/index.php?topic=1689727.0
It looks like rank calculator based has your joined date to now and post.
Not secure : i along most of other constantly get scammed by these scumbags that steal your bitcoins for the service they offer. Once they got your funds, they disappear.
The price keeps jumping to extremes. They are times when it's down. Then they are times its really at the top.
Still having difficulty for most developing countries to accept bitcoin.