Should you use a VPN when buying and selling Cryptos?

Should one utilize a VPN when engaging in the buying and selling of cryptocurrencies? Is it crucial for maintaining privacy and security, or is it an unnecessary precaution? With the ever-evolving landscape of cyber threats and data breaches, is it wise to take every measure possible to safeguard one's financial transactions? And if so, what are the key factors to consider when selecting a VPN provider, ensuring both anonymity and reliability?