The contract would start upon payment of the invoice.
The invoice could be real, but it doesn't mean that Munne paid it...

A normal invoice usually includes a payment address, but in this case, we are not talking postal addresses, but digital currencies addresses, to be paid in BTC and MNE - nowhere on the invoice the payment addresses are listed - strange...

Furthermore, the copy of the invoice was released by xxxgoodgirls and not by Mchrono - double strange...