Monero, from the other hand, is THE ONLY cryptocurrency among large ones, that…
Monero, from the other hand, is THE ONLY cryptocurrency among large ones, that has [Suspicious link removed]PLETELY PRIVATE WITHOUT A BIT OF TRANSPARENCY. Other 'privacy' coins are just compromises that built around notion of privacy.
Pros
monero was added as base pair exclusive to poloniex.
Factor One: XMR is the only 100% fungible, 100% PoW cryptocurrency with decentralized governance and mining (sorry Bitcoin I still love you too)
Factor Two: XMR volume helped Poloniex pay back user funds lost in a security breach.
Factor Three: Monero Enterprise Alliance.