Looking at cryptocurrencies? These altcoins are rising faster than bitcoin

Ethereum, the second-largest by market value, has roughly tripled in the last two months

Bitcoin alternatives are closing the gap with the market leader after names like stellar and cardano became red hot as 2017 was closing.

The biggest cryptocurrency's share of market value has fallen to a record 36 per cent from 56 per cent a month ago, according to CoinMarketCap prices for coins and tokens. Stellar, designed for cross-border payments, has more than doubled in the first trading days of this year, achieving a record market cap of more than $13 billion.

That kind of move raises questions as to whether speculators will drive up second-tier digital coins at the expense of