General System Properties:

1. Real time
2. Networked Markets exchanging spot prices
3. Trade online via internet

Mode: Auto-Matching
Method:

1. Sellers bring commodities to the marketplace.
2. Market sorts classify and weigh the commodities.
3. Market sets Matching Boards with starting and ending time.
4. Sellers submit their offer prices and volume.
5. Buyers submit their bid prices and volume
6. When the bid and offer prices match, a contract is created for the particular transaction.