VPN won't help you much trust me, if the security agencies of your nation wanna find you; VPNs can't do much.
I sincerely think that running a dedicated tor node for the purpose will be better than spending money on VPNs.
Do you think Tor is safe for most transaction of cryptocurrency? Trying to avoid the Government can expose you to worse hack or scam except you know how to protect yourself using tor for crypto trade.
Brother, if you are so much in need of privacy and protection from govt, then you better learn to protect yourself from hacks too. You can't have decentralisation without any responsibility.
You need to learn to use some tools and tricks too. If not, then better stay away from BTC trading. That's the unfortunate truth about technology. If you lag, then you are left.