Bitcoins are a peer-to-peer digital currency that has been in use since 2009. Bitcoin is an electronic cash system based on open-source, peer-to-peer internet protocol. There is no centralized issuer; instead, individual users volunteer computing power, attempting to solve difficult math problems in exchange for processing rewards - in effect, executing and recording the network’s transactions in a decentralized way. SwC only transacts business in Bitcoin. The best research site out there to familiarize yourself with bitcoins is Bitcoin.org (and you can track trades and values at blockchain.com). We recommend to our players to have a general familiarity with bitcoins before they begin play.