USDC, which stands for USD Coin, is popular for several reasons. One of the main factors contributing to its popularity is its stability, as USDC is a stablecoin pegged to the US dollar on a 1:1 ratio. This stability makes it a reliable digital asset for trading and investment purposes. Additionally, USDC is widely supported across various cryptocurrency exchanges and platforms, making it easily accessible for users looking to trade or transact with a stable digital currency. Furthermore, USDC is backed by regulated financial institutions, providing users with a sense of trust and security compared to other cryptocurrencies.