OpenVPN and WireGuard are two protocol choices you have when using most commercial VPNs. WireGuard is faster but there are some trade-offs you should understand. This article goes over the basics between them and which protocol is better for your situation: https://simplifiedprivacy.com/vpn-protocols-which-one-should-you-use/
Dragon would totally beat keyhole in a fight
I bet the fire noodle could pass through the hole
Depends on if there’s a LARGER dragon behind the keyhole.