Anonymity Loves Resilience: The Case of Tor
summary
Tor describes an operational picture: Tor Browser has 2–8 million monthly users, onion services power secure drop and project sites, and the network runs ~9–10 directory authorities that publish an hourly consensus. A Rust reimplementation called RD targets C memory bugs (21 of 34 trove issues), operators span 54 countries but cluster in Europe, an anomaly showed ~20k concurrent Lithuanian clients, and a reproducible-build pipeline plus reproducible builds and anonymous GitLab entry tool AddTicket are deployed.
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chapters (22)
- 0:00Tor introduction and mission
- 1:19What Tor is and its ecosystem
- 4:45Anonymity beyond encryption
- 7:11Tor Browser and Tails
- 9:39Onion services and uses
- 11:03Legacy codebase resilience
- 12:50Rewriting Tor in Rust
- 14:14Open development and collaboration
- 16:43Public meetings and transparency
- 17:24Protocol specs and research
- 18:50Reproducible builds
- 20:36Network resilience
- 23:01Measuring network health
- 28:40Exception reporting framework
- 30:46Authorities and relay roles
- 34:45Relay diversity and expectations
- 37:33Engaging relay operators
- 39:40Resilience for free software
- 41:48Financial transparency
- 43:57Legal threats to nonprofits
- 45:20Contributing to Tor
- 46:08Q&A
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