And you accept both ETHER & BTC how do you calculate token price per BTC?
We will publish progress soon, rafzalan.
Regarding your question about MTRc/BTC -- the rate is calculated like this: 1 ETH = 700 MTRc, 1 ETH = X BTC => 700 MTRc = X BTC.
The ETH/BTC exchange rate in this formula is taken at the moment when you make a BTC transfer.