IOTA is a cryptocurrency that was created in 2015 and is based on a technology called the Tangle. The Tangle is a distributed ledger technology that is different from the blockchain used by most cryptocurrencies. It uses a directed acyclic graph (DAG) to store transactions, rather than a linear chain of blocks. One of the key features of IOTA is that it is designed to be used in the Internet of Things (IoT) ecosystem. It aims to provide a feeless and scalable infrastructure for the IoT, allow...