$USDC is a prominent stablecoin, pegged 1:1 with the US Dollar, making it a crucial component in crypto trading pairs. When you see a pair like BTC/USDC or ETH/USDC, it means you are trading Bitcoin or Ethereum against USDC.

Its stability offers a reliable "digital dollar" to move in and out of volatile cryptocurrencies without converting back to fiat. This is ideal for preserving capital during market downturns or facilitating quick trades across different assets. USDC pairs are widely available on exchanges, offering liquidity and a predictable base for various trading strategies.