What is USD COIN?. USDC is an ERC-20 token, meaning it is based on the Ethereum blockchain. This makes it easy to integrate USDC into other Ethereum-based projects and applications. Circle and Coinbase created USDC in response to the volatility of other cryptocurrencies such as Bitcoin and Ethereum. By pegging USDC to the US dollar, stablecoin inventors wanted to provide a more stable and reliable cryptocurrency that could be used for everyday transactions. USDC prices have been relatively stable since the start of 2018. The price of USDC, like any other asset, is determined by market forces. If the demand for USDC is high, the price will rise. When demand is low, prices fall. However, because USDC is pegged to the US dollar, price fluctuations are generally small and predictable. USDC is issued by Circle, a financial technology company specializing in digital payments and blockchain technology. Circle has partnered with Coinbase, one of the world's largest cryptocurrency exchang...