Challenge accepted --- BTC mined on a gameboy: https://www.laptopmag.com/news/you-can-mine-bitcoin-on-a-nin...
Also, you're assuming whoever stole these cards are rational beings and not characters out of Ocean's Eleven.
Also, you're assuming whoever stole these cards are rational beings and not characters out of Ocean's Eleven.
They are cheating by putting it near to a known hash to verify that it works, you can't earn anything off it.