You can use your Revolut card almost anywhere, except
As for crypto merchants, we currently support the following list: Xapo, crypto.com, MoonPay, Bitstamp, Kraken, Coinbase, Gemini, and we are reviewing this list on a regular basis.
All merchants have a 'merchant category code', and this is how we recognize what type of merchant they are.
Occasionally, a merchant can sometimes be wrongfully categorized. If you receive a notification saying 'This merchant isn't supported' when it isn't listed above, it is likely to be because they have an incorrect category code.