Submitted by Adam on 2016.06.03 ; 08:50 This is the one-and-only exchange for goods and services. All interactions using money fall under private bank law (UCC). All interactions without use of money must comply with PPCC. PPCC = Paradise Planter Conduct Code (see the EarthBank). Book traversal links for Supply & Demand ‹ Cheapest & Best Up Earth Care ›