eToro has a feature called CopyFund. It means the fund copy the underlying market. The Crypto CopyFund invest in the largest cryptocurrencies automatic. The fund update itself once a month and either exit a cryptocurrency market or enter into a new one depending on how the market cap situation looks like. Very interesting alternative for passive investment into cryptocurrency market.
Read more: http://www.cryptocointrade.com/etoro-crypto-copyfund/