Commodity money cans or foil pouches of mackerel fish fillets, which have a fairly standard cost and are easy to store. These may be exchanged for many services in prisons where personal possession of currency is prohibited. In situations where the commodity is metal, typically gold or silver, a government mint will often coin money by placing a mark on the metal that serves as a guarantee of the weight and purity of the metal. In doing so, the government will often impose a fee which is known as seigniorage. The role of a mint and of coin differs between commodity money
Social peer-to-peer processes network model allows for a more fluid organization that does not fix any group in a permanent adversarial position. Various temporary coalitions are created on an ad hoc basis depending on the issues. The following is a list of individuals who have made contributions to the peer-to-peer paradigm. MIT Press, 2004 (power as embedded in the digital protocols governing networked systems) Social peer-to-peer processes Social peer-to-peer processes are interactions with a peer-to-peer dynamic. These peers can be humans or computers. Peer-to-peer (P2P) is a term that originated from the popular concept of the P2P distributed computer application architecture which partitions