USDC (USD Coin) is a stablecoin that is typically stored in digital wallets. It is an ERC-20 token which means it is built on the Ethereum blockchain. Users can store USDC in various types of wallets such as hardware wallets, software wallets, web wallets, or even on cryptocurrency exchanges that support USDC trading. It is important to ensure that the wallet or exchange you choose to store USDC is reputable and secure.