CryptoShield — Nova Nexus

Protect your cryptReal‑time crypto‑phishing protection. Detects fake wallet pages, punycode look‑alikes and “seed phrase” scams; shows on‑page warnings with clear reasons. 100% local—no tro assets by detecting phishing and scam websites in real time.

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CryptoShield protects you from crypto‑phishing scams in real time. It flags fake wallet pages before you enter a seed phrase, and explains exactly why a page is risky (punycode look‑alikes, shady TLDs, fake “Connect wallet” prompts, seed‑phrase requests). Works 100% locally—no tracking, no data collection.

Key features
- Real‑time detection on any site you visit
- Reason codes you can trust (domain look‑alike, punycode, risky TLDs, seed/private‑key prompts)
- On‑page red banner + optional browser notification
- Cross‑wallet heuristics (MetaMask, Coinbase, Trust Wallet, Ledger/Trezor, WalletConnect, Phantom and more)
- Privacy‑first: runs entirely in your browser; no remote servers

How detection works (heuristics)
- Domain checks: punycode (xn--), look‑alikes of official wallet domains, suspicious TLDs
- Content checks: seed/recovery/private‑key keywords in text/placeholders
- UI checks: deceptive “Connect wallet” or phrase‑entry prompts

Permissions used
- activeTab / <all_urls>: scan the current page for phishing signals
- notifications: show a warning if phishing is detected
- storage: save simple on/off settings locally

Privacy
CryptoShield does not collect, transmit, or sell any personal data. No page content, browsing history, or telemetry leaves your device. Settings are stored locally only.

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CryptoShield — Nova Nexus

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