With the bulk of its revenue derived from transactions in Bitcoin and Ethereum, there is little doubt that Coinbase's share price tends to track the cryptocurrencies market closely. Over the past year, the digital currencies space has been trading in what is commonly known as the 'crypto winter' and the lack of any significant pick-ups in the Crypto 10 Index for Q4 have led market participants to price for another round of lacklustre results from Coinbase.