Catalogue record · hackernews
CardSwipe names the best credit card for the store you are standing in, on your Lock Screen. No bank login: you type the cards you carry, nothing else.
CardSwipe 根据你所在的商店，在锁屏上显示你可以使用的信用卡，无需登录银行账户，只需输入你携带的卡片信息。
Seen on hackernews · last checked 2026-10-23.
The teardown — how it actually charges, which mechanism was found, and the seam worth taking — is in the daily letter. This page carries the record and the signals so search engines and link previews have something real to read; the judgement stays with the readers who asked for it.
Get the daily letterThe same record sits in the full catalogue, where every entry can be searched and filtered by the signals above.