"Circular Multilateral Barter" (CMB) is aimed at supplying entrepreneurs with a way to exchange goods and services within a p2p-network, without using money, overcoming the "double coincidence of wants" problem, inherent to traditional barter.
Most importantly, CMB allows traders to issue their own currencies (called "products"), which others can redeem, trade, or make payments with.
One thing that distinguishes CMB from other "credit commons" is that all debts in CMB are user-to-user debts...