Hah that’s great. I still have my original.
Very interesting! The Game Wallet turns any GameBoy into a secure offline cold wallet. Generate mnemonic seed phrase using hash of button presses as you walk around completing quests. https://www.gamewallet.gg/
More info here: https://nitter.net/CupOJoseph/status/1659544815204179968
Discussion
Lucky, I may have to source one to try it out along with a cartridge