Stop bitching about how hard it is to exchange. All you have to do is send cash equivalent. You don't need any prior trust to do this. But of course I know you won't be doing this despite how easy it is, since you're just out for a quick scam.
If you want the privileged to use paypal or other reversible payments, then earn it. Go contribute to the forum outside of the marketplace, or have normal transactions first (goods/services).
Pretty much this. OP could have had Bitcoin in his wallet a long time ago if he just went down to any store that sells MoneyPak, Western Union, or similar. Instead he's sitting here trying to prove he has money that he could use to buy MoneyPak, Western Union, or similar.