A great video explaining IOTA
IOTA is an open-source distributed ledger (cryptocurrency) focused on providing secure communications and payments between machines on the Internet of Things. Using directed acyclic graph (DAG) technology instead of the traditional blockchain, IOTA's transactions are free regardless of the size of the transaction, confirmation times are fast, the number of transactions the system can handle simultaneously is unlimited, and the system can easily scale
Source:
https://en.wikipedia.org/wiki/IOTA_(technology)
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IOTA is due a rise to $10. Amirite?