Forum Member DireWolfM14 has done a very good review on the Mk4 ColdCard.
If you have a look through the OP and some of the discussion, you should get most of your answers.
Personally Ive never used one , but good luck .
Hope this helps
https://bitcointalk.org/index.php?topic=5405919.20
If you have a look through the OP and some of the discussion, you should get most of your answers.
Personally Ive never used one , but good luck .
Hope this helps
https://bitcointalk.org/index.php?topic=5405919.20
Thanks so much. Helped a lot.