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At the moment, segwith adoption rate is frozen. http://segwit.party/charts/#
Lightnin network is still on test.
There is none solution left: they can only scale onchain by decreasing blocktime (and so, Litecoin) or by increasing blocksize (and so, Bitcoin cash). But this means hardfork, and this solution was stopped when 2x fork was suspended.
So, in my opinion, 0 hope.