> For the complete documentation index, see [llms.txt](https://docs.rocketfuel.inc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rocketfuel.inc/core-concepts/exchanges.md).

# Exchanges

Cryptocurrency exchanges facilitate the trading of cryptocurrencies for other assets, including digital and fiat currencies. In effect, cryptocurrency exchanges act as an intermediary between a buyer and a seller and make money through commissions and transaction fees.

When shoppers pay to merchants, they can connect their exchanges, such as Coinbase, OkCoin, Gemini, etc., and pay using those exchanges.

The balance is also tracked and shown on iFrame for each cryptocurrency available in the exchange to make the shoppers aware of the same.

![](/files/3CvkzxRh9jKsbWKIpTMo)


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