Control Center tracks a Bitkey from the wallet descriptor you export in the Bitkey app. It’s watch-only. Nothing can be spent.
A Bitkey connects as Unverified. Bitkey doesn’t support proving ownership of its keys, so Control Center can’t verify the wallet is yours. Its balance and history update as usual, but statements leave it out.
What you need
Your phone with the Bitkey app.
A way to copy text on your phone and paste it into Control Center.
Control Center walks you through it on a picture of the app:
Open Settings: tap the three dots in the top right corner of your wallet.
Go to Exports: under Advanced, tap Exports.
Choose Your Wallet Descriptor: tap Current wallet descriptor. Bitkey calls it an XPUB bundle. It holds public keys only.
Send It to This Device: tap Download XPUB bundle, then copy the text.
Control Center shows each step in the Bitkey app.
Don’t email the descriptor to yourself. Email keeps copies on mail servers, and the descriptor reveals every address and transaction in your wallet.
3
Paste the descriptor
On Add Your Wallet Descriptor, paste the whole text into Wallet descriptor. Select Next.Paste the full export. It has an External: line and an Internal: line. There’s no file upload.
4
Check and add
We Found Your Bitkey lists its three keys. Enter a Name. Select Add Bitkey.You see Bitkey Connected! and your balance. Select View Bitkey or Connect Another Account.
Delete any other copy of the descriptor once it’s added. Control Center stores it on your device and never shares it.
On the account page
A Bitkey shows its three keys:
Key
Where it lives
Phone key
In the Bitkey app on your phone
Hardware key
On your Bitkey, unlocked by your fingerprint
Block key
Held by Block, to help you recover if you lose your phone or Bitkey
Select a key to see its public key and derivation path.A Bitkey counts in your totals on Home and Portfolio. It isn’t offered when you set up a multisig wallet.
Recovered your Bitkey?
A Bitkey recovery moves your Bitcoin to new keys. The old account stops updating. Export the wallet descriptor again and add it as a new Bitkey. You can then archive the old one.
If something goes wrong
Message
What to do
”This Bitkey is already connected”
It’s already tracked. Control Center opens it.
”This Bitkey is archived”
Restore it from Archived on Accounts.
”This doesn’t look like a Bitkey wallet descriptor”
Paste everything the Bitkey app exported.
”Paste everything the Bitkey app exported”
You pasted part of it. Paste both the External: and the Internal: line.
”The External and Internal descriptors don’t match”
Export the descriptor again and paste all of it.
”Bitkey wallets are 2-of-3 multisig, but this descriptor describes a different wallet”
You pasted another wallet’s descriptor. Export it from the Bitkey app.
”This descriptor is for a test network”
Control Center tracks mainnet Bitcoin only.
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