Which exchange supports base?

Could you please clarify which cryptocurrency or digital asset you're referring to when you ask which exchange supports "base"? Typically, the term "base" isn't commonly used in the context of cryptocurrency exchanges. However, if you're referring to a specific coin or token that has a nickname or abbreviation that includes "base," it's important to be specific. Assuming you're asking about a particular asset, I would recommend researching which exchanges list that asset for trading. Many exchanges have comprehensive lists of the digital assets they support on their websites, and you can also find this information through third-party sources like CoinMarketCap or CryptoCompare. It's also worth noting that not all exchanges offer the same level of support for every asset. Some exchanges may only allow you to trade a certain asset, while others may also offer staking, lending, or other services related to that asset. So, depending on your needs, you may want to choose an exchange that offers a broader range of services for the asset you're interested in.