Nano (XNO) is a decentralized digital currency that offers fast and feeless transactions on its blockchain network. It utilizes a unique consensus mechanism called block-lattice to achieve scalability and high transaction speeds. Nano aims to provide a user-friendly and efficient payment solution for everyday use, with a focus on reducing environmental impact through its energy-efficient design. Nano has gained popularity for its instant transaction confirmations and minimal fees, making it a promising option for peer-to-peer transactions and micro-payments.