# Binance Smart Chain Binance Smart Chain (BSC) is a blockchain focused on decentralized finance. Binance, the world’s largest cryptocurrency exchange intermediary, is operating BSC. BSC is one of the most widely used blockchains for decentralized finance. BSC offers lightning-fast swaps and extremely low fees. BSC had about 2,000,000 active addresses. It is 5–10 bigger than other blockchains. BSC had more active addresses in a few weeks than Polygon and Solana combined. BSC is known for its 5-second block speeds. It is faster than Marsupilamii with 1-second block speeds. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://marsupilamiitoken.gitbook.io/white-paper-marsupilamii-token/binance-smart-chain.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.