Our - Zenland - platform is home to freelancers, OTC participants, and anyone looking to safely buy or sell services or goods with the guarantee of the formal agreement but with no middleman involved.
Buying and selling goods using smart contracts? what about the delivery of the goods? with whom you will partner regarding delivery services. In which country will your project operate?
I believe they fascilitate online escrow for users that operate online, buying and selling random goods.
Still I dont know of any online market, or online buy/sell website that doasent already have a well functioning implemented payment and escrow services.