Nov 2025 Cete (Wallets for Sale)

Before Using your Coldcard or Tapsigner Coldcard Before opening your coldcard bag, inspect for tears or attempts to reseal. Note the serial of the bag. The same number will flash on the device when you turn it on. This is how you know it's a legit Coinkite product. More info here. If I gave you an SD card, it has the most recent firmware update (instructions). You can also use it for importing/exporting transactions. Tapsigner Tap the card to your NFC enabled phone to ensure that they can ...