Monero:
Taking advantage of CryptoNote protocol
Ethereum:
The great alternative to Bitcoin ,introduces a new concept in the virtual world " smart contracts"
Dash:
this virtual currency gained fame Thanks to the introduction of the anonymity with the transactions made by the users.
Dogecoin
highest number of transactions recorded every day
Ripple:
The objective of this currency is to create a credit management system in a decentralized way
Litecoin
Bitcoin's little brother
Bitcoin
has the control For Now.!