#qrcodes
Follow to get notified about new posts with this tagMicroscopic QR Codes are an unused method of storing private keys secretly! Imagine diamond with microscopic laser etched QR code of private key to a bitcoin wallet! I found a $65 laser engraver!
So I was wondering if we could have a Qr code printed so small that you would need a microscope to see it, but anyone with a basic little microscope adapter for a smartphone camera could get a good shot
