How do I buy and sell Crypto through Venmo?

I'm curious about how to navigate the world of cryptocurrency transactions through Venmo. Could you provide a step-by-step guide on buying and selling Crypto using this platform? Firstly, I'd like to know if Venmo supports a wide range of cryptocurrencies and if there are any specific ones that are favored or preferred. Secondly, I'm wondering about the fees associated with these transactions and if they vary depending on the type of cryptocurrency or the amount being exchanged. Additionally, I'd appreciate any insights on the security measures Venmo employs to safeguard its users' funds and transactions. Finally, are there any specific requirements or limitations I should be aware of before diving into the world of Crypto trading on Venmo?