Crypto Wallet: Why Browser Extension Wallets Get Hijacked by Malicious Chrome Updates—And Why Wallet Developers Can’t Prevent This
A user installs MetaMask, Phantom, or Trust Wallet as a browser extension and carefully guards the recovery phrase. The extension works normally for months or years. Then, without warning, a Chrome or Firefox update silently modifies the extension’s runtime environment, alters permission scoping, or patches a vulnerability in a way that changes how the wallet