This document provides an overview of a project on Bitcoin that examines the technology behind Bitcoin and its current and potential future uses. It begins with an executive summary of Bitcoin as a decentralized digital currency. It then discusses traditional currency and how Bitcoin compares, explaining how Bitcoin works through balances tracked on the blockchain, transactions facilitated by public and private keys, and mining to process transactions. The document also covers current uses of Bitcoin including acquiring, storing, making purchases with, and investing in Bitcoin. It examines competition from traditional currencies, other cryptocurrencies, and online payment systems. Finally, it discusses potential future developments and applications of Bitcoin technology.