How to exchange Steam gift cards for bitcoin?

Could you elaborate on the process of exchanging Steam gift cards for bitcoin? I'm particularly interested in understanding the steps involved, as well as any potential risks or considerations I should be aware of. Are there any specific platforms or services that facilitate this exchange? What are the typical exchange rates, and how do they vary? Additionally, are there any legal or regulatory considerations I should be mindful of before proceeding with such a transaction? Your insight and guidance would be greatly appreciated.