https://techcrunch.com/2018/07/28/how-i-made-my-own-wireguard-vpn-server/

Some of you may have heard about VPN protocols that let you establish a connection between your device and a server, such as OpenVPN and IPsec. But there’s a brand new shiny protocol that promises to be faster and more secure at the same time — WireGuard.

But WTF is a VPN anyway? A VPN is a virtual private network between a device in front of you and a server in a data center. If you want to hide your internet traffic from other people on your local network, you can create a tunnel between your device and a server.