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The card’s key is made from your passkey every time you sign in, and nothing else is stored. So any device that has your passkey opens the same card, with the same address.

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Make sure the passkey syncs

  1. Sign in to the same Apple ID on both devices.
  2. Turn on iCloud Keychain on both: Settings → [your name] → iCloud → Passwords & Keychain.
  3. On the device where you made the card, look for tozzecard in the Passwords app. If it is there, it syncs.

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Open the card

1

Go to app.tozzecard.xyz

On the new device.
2

Tap I already have a card

Pick your Tozzecard passkey and confirm.
3

Check the address

Account → Details → Card address should match the one on your first device.
If the passkey doesn’t show up, don’t tap Create your card. That makes a new passkey and a new card with a different address. Fix the sync first.

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Things to know

  • Passkeys belong to a website. A passkey made on a test address (such as localhost) does not work on app.tozzecard.xyz.
  • If you lose every device that has the passkey, and it wasn’t synced, the card can’t be opened again. There is no recovery yet.