The interesting historical angle is that Satoshi actually mentioned poker and micropayments very early on.
Bitcoin wasn't originally presented as merely "digital gold." The early discussions often revolved around:
micropayments,
machine payments,
online services,
gaming,
contracts,
commerce.
So when Craig says:
"When combined with micro-payments (bonded-subsat-channel)..."
he's describing a broader architecture rather than just a poker game.
The poker game may simply be the first demonstration because it's easy to understand:
Can strangers:
- hold money,
- hide information,
- reveal information when required,
- settle fairly,
- prove nobody cheated,
- do it without a house?
If yes,
many other applications become possible.
That extends beyond gaming into auctions, marketplaces, machine-to-machine commerce, supply-chain negotiations, autonomous agents, and other systems where participants need both private information and financial settlement.
Mental Poker appears to be the proving ground. If it works, it demonstrates that Bitcoin can coordinate value transfer, private information, and cryptographic fairness without a trusted intermediary. The poker game is the demo; the underlying infrastructure is the real objective.
Why Mental Poker Matters Today
It is the cryptographic foundation for true trustless multiplayer games on public blockchains.
When combined with micro-payments (bonded-subsat-channel), verifiable accounting, and secure key management (overlay-broadcast), it enables games where real money can be at stake with no house, no trusted operator, and full cryptographic fairness.