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Definition of 'IOTA'

**IOTA** is a distributed ledger technology (DLT) that uses a directed acyclic graph (DAG) to achieve consensus. It was founded in 2015 by David Sønstebø, Sergey Ivancheglo, Dominik Schiener, and Dr. Jens Stoll. IOTA is designed to be scalable, secure, and efficient. It is also designed to be feeless, meaning that there are no transaction fees.

**IOTA's DAG** is a different type of ledger than the blockchain used by Bitcoin and other cryptocurrencies. A blockchain is a linear list of blocks, each of which contains a record of transactions. A DAG, on the other hand, is a network of nodes, each of which is connected to multiple other nodes. This makes IOTA more scalable than blockchains, as it can process more transactions per second.

**IOTA's consensus algorithm** is called Tangle. Tangle is a distributed consensus algorithm that does not require miners. Instead, it uses a voting system to reach consensus on the order of transactions. This makes IOTA more energy-efficient than blockchains, as it does not require the use of powerful computers to mine new blocks.

**IOTA's use cases** include:

* Micropayments: IOTA is well-suited for micropayments, as it is feeless and has a high transaction throughput.
* Machine-to-machine (M2M) payments: IOTA is designed for M2M payments, as it is fast, secure, and scalable.
* IoT: IOTA is being used in the IoT industry, as it can be used to track and manage data from IoT devices.

**IOTA's future** is bright. It is a promising DLT with a number of potential use cases. However, it is still a new technology, and there are some challenges that need to be overcome. These challenges include:

* Security: IOTA has been criticized for its security, as it has been subject to a number of attacks.
* Scalability: IOTA's DAG is still under development, and it is not yet clear how scalable it will be.
* Adoption: IOTA is still a new technology, and it is not yet widely adopted.

Despite these challenges, IOTA has the potential to be a major player in the DLT industry. It is a well-designed technology with a number of potential use cases. If it can overcome the challenges it faces, IOTA could have a significant impact on the future of finance.

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