How accounts work, when you need to sign in, and what happens after authentication.
You can browse cards, sets, prices and marketplace listings without signing in. You need an account when an action belongs to you personally, such as saving cards, managing a collection, creating listings, making offers, checking out, viewing orders or requesting payouts.
When you click a feature that requires an account, Cardmine opens the sign-in modal or mobile bottom sheet so you can continue without losing your place.
Cardmine supports account creation and sign-in from the authentication form. Depending on the environment and configuration, Google sign-in can also be available.
After signing in, Cardmine creates or refreshes your profile identity so your account can be used across collections, marketplace orders, notifications and seller tools.
The sign-in flow keeps a return path. If you opened the modal from My cards, checkout, offers or Wallet, Cardmine sends you back to that destination after a successful sign-in.
This keeps protected workflows focused:
Use a strong password and keep your email account secure. If you use a shared device, sign out when you are done. Cardmine never needs your payment card details in chat or support messages; checkout is handled through the secure payment flow.
