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docs: best-in-world anti-fingerprinting rubric#46

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mdheller merged 1 commit into
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docs/best-in-world-rubric
Jun 22, 2026
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docs: best-in-world anti-fingerprinting rubric#46
mdheller merged 1 commit into
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docs/best-in-world-rubric

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Evidence-based positioning of BearBrowser vs Tor Browser / Brave / Firefox-RFP. Every claim is backed by a real measurement on the GCP-built binaries or by source inspection — no marketing.

Proven this session (both profiles compiled on GCP, real RFP-locked Gecko binaries):

  • human-secure (733M): per-session canvas + audio farble — neutralizes vectors Tor leaves as residuals.
  • tor-mode (662M): compile-time Windows-identity spoof on FF140 ESR — ✓ OS-spoof VERIFIED (Linux binary reports Windows NT 10.0; Win64; x64 / Win32, riding the Tor cohort). Intentionally does NOT farble — it blends with the Tor crowd rather than standing out.

Honest asterisks (in the doc, not buried): automated scorecard reads ~12/20 because the binary locks RFP on (no unhardened control baseline) and automation can't exercise letterboxing — not because vectors leak. getBoundingClientRect sub-pixel is a web-compat residual Tor also keeps.

🤖 Generated with Claude Code

@mdheller mdheller merged commit 071d7e8 into main Jun 22, 2026
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