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Onion Services

Onion services are services that are only accessible via the Tor network.

  • Unique .onion addresses (version 2 only)
  • Unique .onion addresses (version 3 only)
  • Onion-service traffic (version 2)
  • Onion-service traffic (version 3)
Onion-service traffic (version 2) graph

This graph shows the amount of onion-service traffic from version 2 onion services relayed by rendezvous points. This number is extrapolated from aggregated statistics on onion-service traffic reported by single relays acting as rendezvous points for version 2 onion services, if at least 1% of relays reported these statistics. For more details on the extrapolation algorithm, see this blog post and this technical report.

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Learn more about the CSV data format or how to reproduce the graph data.

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This material is supported in part by the National Science Foundation under Grant No. CNS-0959138. Any opinions, finding, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. "Tor" and the "Onion Logo" are registered trademarks of The Tor Project, Inc.. Data on this site is freely available under a CC0 no copyright declaration: To the extent possible under law, the Tor Project has waived all copyright and related or neighboring rights in the data. Graphs are licensed under a Creative Commons Attribution 3.0 United States License.