TERMINOLOGY
Onion Service v2
The retired onion-address format: 16 characters ending in .onion. Tor removed v2 from the network in 2021. A short onion string now is a dead protocol, not a current service.
Current Tor Browser reports an invalid onion address. There is no supported fallback.
Category: Services
This page is a short glossary definition, not a full encyclopedia article. See the Tor glossary A–Z for the rest of the set.