Signal's sustainability in an environment of mass surveillance
summary
Signal runs end-to-end encryption using the 2013 Signal Protocol and additional measures that encrypt profiles, group membership and metadata so servers only see blobs; servers store a phone number, signup time and last-connect timestamp and nothing else (see signal.org/bigbrother). Signal is a 501(c)(3) donor-funded nonprofit with ~45 staff, tens of millions in annual costs, major early funding from Brian Acton, reproducible builds and open source code, refuses backdoors and uses proxies and attenuation techniques to resist national blocks.
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chapters (7)
- 0:00Signal's mission and privacy
- 10:07Why privacy matters
- 22:20Nonprofit sustainability model
- 33:11Resisting backdoors
- 44:27Crypto wars and surveillance
- 55:03Government responses
- 1:05:57Q&A on compliance
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