Thanks for explaining.
So as I understand the wood wallet is "receive only" without ever seeing a private key.
BTW whats the (minimal) thickness of the wood to laser?
That's correct. I'm working on another version that may require some assembly by the end user, but will contain a private key inside known only to them.
The NFC tag is rewritable so someone could put their private key onto it but I wouldn't recommend it.
The wood shown is 1/8", it's possible to go thinner but the QR is a pretty fragile structure as it is. Some metal could work but I like the analog finish
