This document discusses Bitcoin and its implications for international business. It provides background on Bitcoin, explaining that it is a cryptocurrency without central control that uses a distributed ledger and proof-of-work algorithm. It then considers whether Bitcoin qualifies as money and examines its energy usage and sustainability. The document also explores whether Bitcoin could support green energy and discusses regulatory issues like the Howey test for determining if Bitcoin is a security. It analyzes risks of using Bitcoin for criminal activities and implications for multinational corporations, including using Bitcoin in foreign exchange reserves or facilitating cross-border transfers.