$BTC Undeniably the two most popular and important cryptocurrencies to date. The BTC/ETH trading pair puts together the two assets that dominate the cryptocurrency sector. Bitcoin and Ethereum share between themselves, over 50% percent of the total cryptocurrency market capitalization, an excess of 150 million holders, and a combined dominance of 62.4% of the crypto market at the time of publication. With most cryptocurrency investors holding and actively trading at least one of the two assets, the pair records high trading activity and solid liquidity relative to other pairs, regardless of the exchange on which they trade.