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Detect in-app browsers — the actual reason #34 could not connect

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Janie's screenshot showed the X / chevron / share / kebab chrome of TELEGRAM'S
in-app browser, not Trust's DApp browser. She tapped her sponsor's link in a
Telegram chat, Telegram opened it in its own webview, and that webview can
never hold a wallet. The page said "no wallet in this browser", she said she
was using Trust — both true, completely at cross purposes.

Our advice made it worse: "open your wallet's browser and type the address" is
useless to someone whose whole reason for being on the page is that they
tapped a link.

Now we name the browser they are actually in — Telegram, Facebook, Instagram,
LINE, Messenger, X, or a generic Android WebView — say plainly that it cannot
hold a wallet and that this is not their fault, and give them the one useful
thing: a button that copies the address to the clipboard so they can paste it
into Trust. There is an execCommand fallback because older webviews have no
clipboard API, and leaving a button that silently does nothing would be worse
than not having one.

Detection deliberately requires the absence of window.ethereum before calling
something an in-app browser: wallet browsers ARE WebViews, and those are
exactly the ones that work. Verified against Telegram, Android WebView, Trust
(correctly ignored) and mobile Safari (correctly ignored).

This will hit far more members than Janie — every link tapped inside a chat
app lands in the same trap.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
martbost
2026-08-29 06:18:35 -05:00
parent a57af32f4a
commit 8964dfcf97
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</div></section>
</main>
<footer class="wrap disclaimer">This is an independent RM Circle Team Build training resource. Always confirm transaction details in your wallet before signing. Never disclose your Secret Recovery Phrase.<div class="footer-links"><a href="/">Strategy</a><a href="/start">Getting Started</a><a href="/contract">Contract Security</a><a href="/admin">Team Admin</a><a href="/disclaimer">Disclaimers</a><a href="/how-pay-works">How You Get Paid</a><a href="/tools">Promo Tools</a><a href="/privacy">Privacy</a><a href="/refunds">Refunds</a></div></footer>
<script src="/track.js"></script><script src="/rmc-wallet.js"></script><script src="/training.js"></script><script src="/wallet-notice.js" defer></script><script src="/chat.js" defer></script><script src="/translate.js" defer></script><script src="/tg-app.js" defer></script><script src="/nav-dash.js" defer></script></body></html>
<script src="/track.js"></script><script src="/rmc-wallet.js"></script><script src="/inapp-browser.js"></script><script src="/training.js"></script><script src="/wallet-notice.js" defer></script><script src="/chat.js" defer></script><script src="/translate.js" defer></script><script src="/tg-app.js" defer></script><script src="/nav-dash.js" defer></script></body></html>