Course Introduction The growth, volatility and instability of unregulated cryptocurrencies have captured the interest of many critics, particularly due to the enthusiasm over a new technology, known as Blockchain, to resolve some economic development limitations and power decentralized payment systems. Central Banks have been under pressure to respond to the dramatic advances of cryptocurrencies and improve the effectiveness of legacy payment systems. Therefore, they have embarked on experimental projects to study the potential for issuing Central Bank Digital Currencies.