What is the difference between ERC-20 and BRC-20?

Could you elaborate on the key differences between ERC-20 and BRC-20 tokens? I'm particularly interested in understanding the underlying blockchain platforms they operate on, their respective use cases, and any technical distinctions that set them apart. For instance, how do their token standards differ in terms of functionality and compatibility? Additionally, could you highlight any potential advantages or disadvantages of each token type, especially in the context of smart contract integration and interoperability? Understanding these nuances is crucial for evaluating the suitability of ERC-20 and BRC-20 tokens for various financial applications.