The legal status of cryptocurrencies varies significantly from country to country and remains undefined or changing in many of them. While the majority of countries do not consider the use of Bitcoin itself illegal (except for: Bangladesh, Bolivia, Kyrgyzstan, and Nepal), its status as money (or a commodity) differs, with varying regulatory implications. While some countries have explicitly allowed its use and trade, others have banned or restricted it. Similarly, various government agencies, departments, and courts have classified Bitcoin differently. Although this article clarifies the legal status of cryptocurrencies, the regulation and bans applied to this cryptocurrency are often also applied to other similar systems.