Lightning Poker

Alekos Filini - @afilini

Overview

  • Routing of payments
  • Oracles on Lightning
  • Lightning Poker
  • What can be improved
  • Questions

Routing of payments

  • Routing a payment involves asking other nodes to do something for us
    • We offer them a fee for this!
  • Nodes have an incentive to route, but we can't force them
  • Nodes could just refuse to route a specific payment

Oracles on Lightning

  • Every node which is part of a route could act as an oracle
    • It could wait for the outcome of an event
    • And then decide whether to route the payment or not, based on that outcome
  • Imagine two people betting on an event
  • They both pay each other through the oracle
  • The oracle waits for the outcome, and then only make one payment go through

Lightning Poker

  • Whenever a player places a bet, it sends a payment to all the other players
  • The oracle waits for the hand to finish
  • Then lets all the payment to the winner go through, and blocks all the others

Demo

What can be improved

  • Split up payments to allow for more complex outcomes
  • Reuse the same liquidity for multiple payments
    • Local extension of the Lightning protocol
    • HTLCs with multiple preimages

Thank you!

Alekos Filini - @afilini

Lightning Poker

By Alekos Filini

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Lightning Poker

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