What is it and what can you use it for?
a VPN uses encryption to build a secure bridge from one point to another through the internet. think of it as a point to point pipe that keeps the rest of the internet from seeing or effectively intercepting the traffic. you generally need software or hardware on both sides to build the connection.
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(VPN)virtual private network extends a private network across a public network, Applications running across the VPN may therefore benefit from the functionality, security, and management of the private network, Individual Internet users may secure their transactions with a VPN, and it helps to unblock sites and apps on the internet