autoreg-skills-max: initial public release (restored, redacted, hardened)

skills/atxp-autoreg/references/privy-browser-bypass-2026-06-24.md

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+# Privy Browser Bypass Attempt — 2026-06-24
+
+## What was tried
+Full web registration flow on `accounts.atxp.ai`:
+1. Opened dialog → typed t-online.de email
+2. Solved Cloudflare Turnstile via RuCaptcha (sitekey `0x4AAAAAAAM8ceq5KhP1uJBt`)
+3. Tried injecting token via:
+   - **turnstile.execute()** — no widget ID, null return
+   - **turnstile.getResponse()** — empty
+   - **Browser fetch to Privy API** with captcha_token in body — 401 invalid_credentials
+   - **Python requests** with Origin + privy-app-id headers + captcha_token — 401 invalid_credentials
+   - **PerformanceObserver** on iframe — cross-origin, no access
+4. Result: **ALL paths blocked**
+
+## Why Privy API returns 401 even with valid Turnstile token
+- Privy's `/api/v1/passwordless/init` requires an **established iframe session**
+- The Turnstile widget renders inside a cross-origin iframe (`auth.privy.io`)
+- The iframe manages its own CSRF/cookie/session state
+- Direct API calls lack the iframe's session context
+- Error `invalid_credentials` means **session mismatch**, not bad captcha token
+- Even browser-context fetch from the parent page fails (different origin → no shared session)
+
+## Turnstile error 600010
+Repeated in console when Privy iframe can't render properly in headless browser:
+```
+[Cloudflare Turnstile] Error: 600010
+```
+Meaning: **Challenge execution failed** — the widget was loaded but the challenge couldn't complete. Common in headless/automated browsers without proper fingerprint.
+
+## What WOULD work (not tested)
+1. Residential proxy + real browser profile (undetected-chromedriver, Puppeteer Stealth)
+2. Manual login on a real machine → extract session cookie
+3. Fund existing account (Stripe $1+)
+4. Use ATXP's Telegram/Google OAuth if available (Google OAuth is enabled in config)
+
+## Conclusions for future attempts
+- Pure API bypass of Privy Turnstile is **not viable** — Privy requires iframe session
+- Browser automation needs **stealth** (not just headless) to render Turnstile properly
+- The RuCaptcha token IS valid (verified via API response shape difference with/without it)
+- The 401 is Privy's session guard, not a captcha validity issue
+- For t-online.de email registration: need undetected browser OR manual login once