Well XRB is instant, with no fees, highly scalable and pretty much incarnate the ultimate essence of what, Bitcoin or any other project similar to it, should be !!
Only problem is that its not listed on main exchanges, as the dev qas to busy actually finishing his product and making sure its top notch, before anything else

I wish i could say the same for half of the shit that is cruizing over the 1B Mcap without anything to show off than promising decentralized dreams that are undercover centralized entities...