$ETH ETH/BTC (Bitcoin to Ethereum)
This pair allows direct trading between the two largest cryptocurrencies by market capitalization. It's popular among traders looking to capitalize on the relative performance of Bitcoin and Ethereum. The BTC/ETH exchange rate reflects how many ETH are needed to purchase one BTC. For example, if the rate is 15 ETH per BTC, it means 1 BTC equals 15 ETH.