https://cubicpostcode.com/rubiks/rub.pdf?=raw
feedback@cubicpostcode.com
Bitcoin address as a QR code:
32VtnDNe7nuPqaNzifxJiCUguRkQEQWHn6
Bitcoin address as a string code:
32VtnDNe7nuPqaNzifxJiCUguRkQEQWHn6
https://www.blockchain.com/btc/address/32VtnDNe7nuPqaNzifxJiCUguRkQEQWHn6