Today one can safely name leaders that will maintain positions in several months. Bitcoin is still among top 5 cryptocurrencies to invest in 2018, but there are other market players that have unexpectedly entered the list.
Monero. Monero was developed as a currency featuring an advanced confidentiality level. It preserves user anonymity. The demand for Monero has substantially increased after it became known that the American government was tracking Bitcoin transactions.
Litecoin.Virtual silver, coins created on the blockchain similar to Bitcoin, has also grown in price in 2017. Testing of updates (which significantly increase the transaction speed) in the Litecoin network and adding Litecoin to major exchanges might be the possible reasons for that
Bitcoin.Experts give the following advice: if you have no time to track exchange rates of altcoins, invest in Bitcoin. Its price is growing, winning back lost positions, and is close to $5000 mark in the end of 2017. Besides, you will have no problems with storage and withdrawal: all exchanges and wallets support BTC.