Without doubt 2017 was the year of bitcoin but competitors are already stepping on its heels.
Cryptoexperts see the future in smart contracts.
If Bitcoin is DOS of blockchain, then Ethereum can become revolutionary Windows.
Of course there is a possibility that Ethereum will lose leadership as a platform for smart contracts and its place will be taken by another network - more technically reliable, scalable and secure.
However it is still early to talk about this nevertheless, there are competitors.
One of these is multi-platform smart contract constructor MyWish, which seeks to combine all popular blockchain in the one service.