Anyone got any suggestions on the sticker for the back? I know how to make key pairs but not sure how i would hide the private key.
It's a JavaScript-based PDF sheet sticker printer. I'm not sure you need to hide the private key as these low-grade coins are usually loaded with very low amount (0.01BTC).
I know there was a guy who ordered a bag or two of these too and he created very nice looking tamper proof holograms
I ordered some 29mm diameter round white labels, I wouldn't mind sending you 2-3 sheets with the coins.
I could also use a sheet. If you want, I'll pay for it
(I have some sticker labels, but they are not round, so I need to use scissors, but I'm afraid the result wouldn't be nice)