This report provides a comprehensive analysis of Bitcoin and Ripple, two prominent cryptocurrencies. It begins with an executive summary, followed by an introduction to digital currencies and a detailed description of Bitcoin and Ripple, including their architectures, features, and challenges. The report explores Bitcoin's applications, such as smart contracting, automated governance, and its use as a platform and system record. A key section compares Bitcoin and Ripple across various aspects, like their founding, purposes, and transaction costs. The report concludes by highlighting the specific uses and advantages and disadvantages of each cryptocurrency, emphasizing their distinct roles in the financial landscape. The report also includes a detailed referencing section using IEEE referencing style.