Is USDC just USD?

Is USDC simply equivalent to USD?" As I delve into the nuances of cryptocurrencies, this question lingers in my mind. USDC, being a stablecoin, aims to maintain a one-to-one peg to the US dollar, but is it truly just that? Does it offer the same liquidity, security, and regulatory framework as traditional USD? Or does it carry its own set of risks and complexities? The world of digital currencies is vast and often enigmatic, and I'm eager to unpack the truth behind this apparent simplicity. Can you help me understand the intricacies that distinguish USDC from plain USD?