$BTC
A coin pair (or trading pair) is a market where two different cryptocurrencies are traded directly against each other. For example:
ETH/BTC: This pair lets you trade Ethereum (ETH) against Bitcoin (BTC).
What Does It Mean?
If you're trading the ETH/BTC pair:
You’re using BTC to buy ETH.
Or you’re selling ETH to get BTC.
The price of ETH/BTC tells you how much 1 ETH is worth in BTC.
Why Use BTC Pairs?