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Gameboy cold wallet demo: seed phrase is generated by talking to an NPC using a hash of your previous 500 button presses as you walk around and do quests.

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Joe Schiarizzi

10,372 subscribers

326,008 Aufrufe • vor 3 Jahren •via X (Twitter)

GamingKunstWissenschaft & Technologie
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Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

create pre-signed transactions by talking to a different NPC after solving a small muzzle

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

signing real tx with cable link seems like a stretch goal

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

Man if I was a real influencer this would already be soooo viral

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

If you liked this, please follow @usekeyp to keep up with other things I'm building!

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

The stack: - GBstudio exports a rom, this is their default game - custom implementation of sha256 made in GB assembly, converted from open source assembly code - Altane cartridge burner - Analogue Pocket hardware emulator

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

Aaaaannnnd we're live! IT'S HAPPENING!

Profilbild von cory.eth
cory.ethvor 3 Jahren

tell me more

Profilbild von JOSΞPH 🍩
JOSΞPH 🍩vor 3 Jahren

its a fork of the demo game from gbstudio plus some custom assembly to implement sha254. I followed this guide (linked) to learn the assembly lang for gameboy. You could flash right it to a real physical gameboy cartridge. other questions?

Profilbild von 𝙬𝙤𝙧𝙡𝙙𝙩𝙝𝙞𝙣𝙠𝙗𝙤𝙭.𝙚𝙩𝙝
𝙬𝙤𝙧𝙡𝙙𝙩𝙝𝙞𝙣𝙠𝙗𝙤𝙭.𝙚𝙩𝙝vor 3 Jahren

@2170cell Sheeesh.. I could see these becoming quite elaborate/inception vibes

Profilbild von Adam
Adamvor 3 Jahren

where in the multiverse is that + this

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