Media
1 item
Description
Sign transaction data with a smart card 本扩展用于实现基于USBKey的数字签名功能，支持在浏览器中直接调用本地证书进行电子签名操作。扩展通过与USBKey驱动配合，保障签名过程的私钥不出钥匙，实现高安全性的本地签名体验
1 item
Sign transaction data with a smart card 本扩展用于实现基于USBKey的数字签名功能，支持在浏览器中直接调用本地证书进行电子签名操作。扩展通过与USBKey驱动配合，保障签名过程的私钥不出钥匙，实现高安全性的本地签名体验
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Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.