It seems a little optimistic, if not misleading, to say about Bitcoin "Bitcoin, Ethereum, and many disruptive applications [...] that have positive impact in nu

It seems a little optimistic, if not misleading, to say about Bitcoin "Bitcoin, Ethereum, and many disruptive applications [...] that have positive impact in numerous sectors, including [...] environment [...] to name a few". You can think of many advantages of Bitcoin (I surely think so), but please do not include "positive for the environment" as one of them, especially in the abstract of the paper.