My guess is eth. BTC is taking a big hit as we speak...
Etheruim is certainly bound for greater and more diligent success this year, it will always be a noteworthy currency and will continue to do so.
But I think BTC will always be supreme above all. Its relentlessly omnipotent in the market, dips and dives will only add fire to its
already famed lit-up reputation. Spikes will ignite it more and solidify it's position and wide status in the world of Cryptocurrency.