Here you got some main facts, about one of my famous cryptocurrency IOTA ( a cryptocurrency for Internet-of Things industry):
The Tangle ledger is able to settle transactions with zero fees so devices can trade exact amounts of resources on-demand, as well as store data from sensors and dataloggers securely and verified on the ledger.With this kind of technology maschine communication between devices is possible. That is definitly a future technology.
This cryptocurrency is available on bitfinex.
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