It's barely starting, but the protocol has been in development for a couple of years and it aims at being fast (~5 second transactions), feeless, minerless and

It's barely starting, but the protocol has been in development for a couple of years and it aims at being fast (~5 second transactions), feeless, minerless and scalable. The jury is still out in terms of whether it'll actually scale or if no fatal flaws will be found later, however, as far as I'm concerned it's showing a lot of promise.