The Keystone is an air gapped Hardware Wallet. To use it with Bittr you need to use Sparrow as a Software Wallet.

Download Sparrow here: Sparrow Wallet

How to set up Keystone with Sparrow: https://www.youtube.com/watch?v=tbT6tlr0uyk

Visit Buy Bitcoin and follow the steps until you get to the Wallet selection.

1) Select “Other Wallet” and copy the Message

Select “Other Wallet”	Copy Message

2) Open Sparrow and go to “Addresses”

3) Go to the Message Signing

Click on the Pen beside the Address	Paste your message, then click “Sign by QR”

4) Turn on your Keystone

Turn Keystone on	Scan

5) Sign the Message

Scan the QR Code from Sparrow	Click on “Scan QR”

6) Scan the QR Code from the Keystone (via Webcam)

7) Sparrow now shows you the Signature. Paste it on the Bittr Website

Copy Address and Signature	Paste Address and Signature

Woohoo, that’s it already.🤩 After you signed the message you automatically continue directly on the website, where you get the details for your bank transfer.

As soon as money arrives into our bank account, we will buy your Bitcoin, send the Bitcoin directly into your Foundation Passport Hardware Wallet and email you the transaction details (including the exchange rate at the time of conversion).🎉

Anything that didn’t work? We’re always here to help you 🧡! Send us a message support@getbittr.com.