Coldcard Mk4 Autheticity Check
Your Coldcard Mk4 will arrive from UTXO Dreams in a special, sealed bag. It has a large Coinkite logo, white digits/text, a blue tab, and a barcode with the number underneath. This number is important and we call it the "bag number". Please make note of this number, the Coinkite factory has recorded this number into the secure area of flash memory inside your Coldcard.
Before opening the bag, please inspect the bag for damage or signs of being previously opened or tampered with.
The purpose of the bag, and its unique number, is to give you confidence that the Coldcard has come directly from the factory and has not been modified by anyone before you start setup.

After you pull apart the top seal, it will show the word “VOID”.
Once your Coldcard Mk4 has been removed from the bag, inspect it closely for any signs of tampering or damage. Pay special attention to seams/joins, the MicroSD port and USB port. Look for any scratches on the case. If you are satisfied, proceed to powering up your device.
Once you power up your device with a USB cable, you will have the opportunity to verify the bag number and setup a unique PIN. Once you have done this and before completing any transactions on your device we strongly recommend upgrading its firmware.
If you find anything out of place, please contact team@utxo.com.au or support@coinkite.com with photos for reference.