The tor browser bundle and bitcoin use bitcoin's gitian deterministic reproducible build system: https://github.com/bitcoin/bitcoin/blob/master/doc/gitian-buil

The tor browser bundle and bitcoin use bitcoin's gitian deterministic reproducible build system: https://github.com/bitcoin/bitcoin/blob/master/doc/gitian-building.md https://github.com/bitcoin/bitcoin/blob/master/doc/gitian-bu... https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser/BuildingWithGitian https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser... https://blog.torproject.org/blog/deterministic-builds-part-two-technical-details https://blog.torproject.org/blog/deterministic-builds-part-t...