Rightnow, in this year, i will choose XRP or BTC only because XRP is the most useful crypto that can be applied in my social activities and many media are having special attentions to the growth XRP in the future, and BTC is because it is the most powerful crypto in this market, all of investors will use their money to invest in BTC as long as BTC still be the leading crypto in the market.
You should not focus on one or two coins, because there is no certainty that luck will smile less with them. Although if we are talking about ethereum or bitcoin, then confidence in the prospect is much greater.