In my opinion for this Aeternity review, it appears to be a solid project whose technology may not seem so exciting from the outset, but will be necessary innovations for blockchain to scale to the demands of public and industrial mass-adoption. Its team has spent its time developing a working product rather than spinning publicity, and as a result is on the verge of releasing its mainnet at this time. Although it does have a lot of competition on the horizon, it may be a space that is shared by diversity and not one project’s monopolisation.
Low cost
Via leveraging state channels the default way to run smart contracts, æternity becomes the most efficient Turing-complete blockchain and thus enables new forms of monetization via it's low cost transactions.