7. IOTA (MIOTA)
With the help of directed acyclic graph called Tangle, IOTA store transactions on it’s ledger. IOTA designed to complete transactions among machines and devices in the Internet of Things (IoT) ecosystem.
IOTA team believes that Tangle is faster and efficient way than blockchain to complete transactions. This cryptocurrency went to it’s all time high of $5.25 on December 19, 2017. Right now, $1.9 is the price of IOTA. But, according to Coinswitch, IOTA might take long jump to reach at $5.62 by 2023.