Which are your favourite privacy coins?
&
Which essential features of a privacy based currency have your picks implemented?

BITSUM is the Best and reason is its Handled from telegram and its not only privacy coin but it is messenger based. BITSUM use
CRYPTONIGHT Algo.
BITSUM Have High Degree of Confidentiality in Transactions.All your Transaction will Be Private and Secure, Send BITSUM Anywhere in the World.