Bitcoin with it's high fees and slow transaction times is hardly suitable for payments spending the same fee whether you buy a coffee or send $100,000 is a joke and the promise of scaling solutions such as the Lightning Network hasnt been fulfilled.[1]
While there's no shortage of old and new believers to keep the party going, along with plenty of developers working to create better, forked versions of bitcoin, Im betting my chips on a more flexible alternative.
The door is wide open for blockchains that use smart contracts, like ethereum,[2] bitcoincash, litecoin and more......
2018 Will Be ....... Years? [Writer choose ethereum, what will be your choice?and why?]
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[1] [2] Ether and not only, there are still a couple of coins from the alts for a long-term perspective. This is monero and lightcoin, there is very little time left to see the collapse of bitcoin and the new leader among the crypto currency.