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Results save on this device by themselves. Sign in and they follow you to a new phone or a cleared browser — that's all an account does.
No passwords, ever. Social sign-ins leave only an unreadable hash; an email address is kept so you can see which one you used. How this works.
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Your saved codes and every sign-in go with it. There's no undo and no export.
Trouble signing in? Email support@knowuswell.com.