PS: Here's my reply to oaxaca.
Hey,
Yes, I can do so. I normally include ID verification, where I hold the operator's ID in escrow too as an amount of trust is needed for the operator. Check my other group buys out.
Please note that I require a minimum of 10% (or 10 shares in your case) to be pledged by others before issuing the escrow contract.
Thanks,
John