COTI is a blockchain platform that is designed to provide fast and inexpensive transactions, with a focus on scalability and user-friendliness. COTI uses a unique combination of directed acyclic graph (DAG) and blockchain technologies to achieve this, allowing it to process a high volume of transactions at a low cost. COTI is primarily used as a payment platform, allowing businesses and individuals to send and receive payments quickly and inexpensively. It also offers features such as support for multiple currencies, a decentralized marketplace, and a credit card processing platform. Overall, COTI aims to provide a user-friendly and accessible blockchain platform that can be used by businesses of all sizes, as well as individual users who want to participate in the global economy.