the.com/onion routing
privacy by wrapping your message in so many layers no one snoops sees the whole picture.
means a way to send data through multiple relays, each peeling off one layer of encryption, so no single node knows both who you are and what you're doing.
from developed in the mid-1990s by US Naval Research Lab researchers trying to protect government communications, later open-sourced and reborn as tor, the onion router.
layers metaphoreach relay only sees the layer meant for it
tor originnamed directly after this technique
three hopsstandard tor circuit uses three relays minimum
exit node risklast hop can see unencrypted traffic