Site

Sign in to your flash-card account.

Enter your username and password.

Create account

Protect this password. Your password is used in your browser to protect saved study data. Under the current security design, replacing or resetting it requires deleting your previously encrypted study data because the server does not possess the encryption key.

Verify email

Enter the 8-digit PIN sent to your email.

Reset password

Enter your username or verified email address. If the account is eligible, an 8-digit PIN will be emailed to you.

Important: completing a password reset permanently deletes all existing encrypted flash-card sets because the server does not have your study-data encryption key.

Complete password reset

This is destructive. Successful reset deletes all existing encrypted card sets and signs out every active session.

Set your password

Welcome, . Replace your temporary password before continuing.

Protect this password. This password is used in your browser to protect saved study data. Replacing or resetting it later requires deleting previously encrypted study data because the server cannot recover your encryption key.
Site ·

Your card sets

Create, edit, and study your sets.

You do not have any card sets yet. Create one here or use Data & Backup to import cards.
Data & Backup

Data & Backup

Readable exports are generated in your browser. Protected backups keep the encrypted representation stored by the server.

Import

Import CSV, JSON, or a protected backup.

Readable exports

Protected backup

Downloads the encrypted server representation. It does not contain a decryption key because the server does not possess that key.

Account

Account

Active sessions

Revoke sessions you no longer recognize.

Account data export

Download the server-held records associated with your account. This is separate from readable card exports and is available once every 28 days.

Delete account

Permanently deletes your account, sessions, and server-stored encrypted study sets. This cannot be undone.

Edit card set

Space / ↑ / ↓ flip · ← / → move cards outside Challenge mode

Site Admin ·

Administration

disk free
disk total
users
card sets
active sessions
version

System health

Database
Schema
Disk
Latest automatic backup
Uptime

Security model

User access/device metadata and administrative activity are available here. Study payloads remain stored in their protected server representation; the administrator interface does not decrypt card content.

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