Linking

Link Nunchuk

You will haveNunchuk on your phone holds your ERA Bitcoin keys as a Keystone-type signer.
Time4 min
You needERA device, Nunchuk app

The ERA spells this app Nunchuck in its list; the app itself is called Nunchuk.

Steps

Part 1: On the ERA

  1. On the wallet screen, tap the settings icon (sliders) > Link. See Open the Link menu.

    Wallet settings list with the Link row, subtitle Connect to Wallet App.
    ERA: Wallet settings.
  2. On the wallet list, swipe up to the second page and tap Nunchuck.

    Wallet list, second page: imToken, BackPack, Nunchuck, BlueWallet, Sparrow.
    ERA: Wallet app list.
  3. On DOWNLOAD Nunchuck, tap the store for your phone: IOS or ANDROID.

    Download Nunchuck page with IOS and ANDROID tiles and a SKIP TO QR button.
    ERA: Download Nunchuck.
  4. On the store page, tap NEXT. If Nunchuk is not on your phone yet, scan the store QR with your phone first.

    Google Play page with a store QR, caption DOWNLOAD NUNCHUCK, SKIP TO QR and NEXT buttons.
    ERA: Download Nunchuck from Google Play.
  5. Swipe up to the last page of CONNECT Nunchuck.

    Connect Nunchuck instructions, 6 steps ending with Scan the QR code from the ERA Wallet screen, and a SHOW QR button.
    ERA: Connect Nunchuck.
  6. Tap SHOW QR.

  7. QR FOR LINK appears. Leave it on screen.

    QR for link screen with the code, caption CONNECT NUNCHUCK and a DONE button.
    ERA: QR for link.

Part 2: In Nunchuk

The device shows these steps; they are repeated here.

  1. Open Nunchuk and, on Home, tap Add key.

    Image coming soon — Phone screen — Nunchuk Home with the Add key button

    Phone: Nunchuk Home.

  2. Tap Keystone > Continue.

  3. Tap Scan QR.

  4. Point the phone camera at the ERA screen and hold still until the key is added.

    Image coming soon — Phone screen — Nunchuk Keystone scanner reading the ERA link code

    Phone: Scan QR.

  5. On the ERA, tap DONE. The device returns to the wallet SETTINGS.

Done

Nunchuk lists a new key from the ERA (Native SegWit, Taproot and Nested SegWit paths), and the ERA is back on SETTINGS.

Trouble?

  • Nunchuk asks which address type to use → pick the one that matches the ERA DEPOSIT address (bc1q… = Native SegWit); see Supported chains.

  • Scanning never completes → see Linking problems.