IOHK | Cardano whiteboard; Kaleidoscope, with Bernardo David
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- เผยแพร่เมื่อ 10 ต.ค. 2024
- Kaleidoscope: An Efficient Poker Protocol with Payment Distribution and Penalty Enforcement
The research on secure poker protocols without trusted intermediaries has a long history that dates back to modern cryptography’s infancy. Two main challenges towards bringing it into real-life are enforcing the distribution of the rewards, and penalizing misbehaving/aborting parties.
Read the full paper here: iohk.io/resear...
Using recent advances on cryptocurrencies and blockchain technologies, Andrychowicz et al. (IEEE S&P 2014 and FC 2014 BITCOIN Workshop) were able to address those problems. Improving on these results, Kumaresan et al. (CCS 2015) and Bentov et al. (ASIACRYPT 2017) proposed specific purpose poker protocols that made significant progress towards meeting the real-world deployment requirements. However, their protocols still lack either efficiency or a formal security proof in a strong model. Specifically, the work of Kumaresan et al. relies on Bitcoin and simple contracts, but is not very efficient as it needs numerous interactions with the cryptocurrency network as well as a lot of collateral.
Bentov et al. achieve further improvements by using stateful contracts and off-chain execution: they show a solution based on general multiparty computation that has a security proof in a strong model, but is also not very efficient. Alternatively, it proposes to use tailor-made poker protocols as a building block to improve the efficiency.
However, a security proof is unfortunately still missing for the latter case: the security properties the tailor-made protocol would need to meet were not even specified, let alone proven to be met by a given protocol. Our solution closes this undesirable gap as it concurrently: (1) enforces the rewards’ distribution; (2) enforces penalties on misbehaving parties; (3) has efficiency comparable to the tailor-made protocols; (4) has a security proof in a simulation-based model of security. Combining techniques from the above works, from tailor-made poker protocols and from efficient zero-knowledge proofs for shuffles, and performing optimizations, we obtain a solution that satisfies all four desired criteria and does not incur a big burden on the blockchain.
Also see Bitsonline.com Interview: All About Cardano With Charles Hoskinson. Filmed on location at Input | Output's Blockchain technology lab, Tokyo Institute of Technology - 東京工業大学 that same day here: • Bitsonline.com Intervi... --
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getting here three years later... Has this been further developed?
Got a doubt, If Shuffle is a protocol it could be replaced by a rogue protocol in which it could deal the cards in some 200 standardized ways, technique unavailable in real life, that could benefit the dealer, so that it diminished the alleatory aspect of the game, was it considered in this protocol or its only something to always to be considered on online gambling?
good video....some interesting extensions out there coming to Cardano..cool!
perfect
I am suddenly in the mood for a hot dog. ( weiners - winners ) JK
Stephen Tackett they all eat hot dogs until they get a full house.
Cardano becoming gambling coin? That’s not good.
I might be wrong, but he could also be describing a protocol for Futures or Forwards contracts
no, fix the poker protocol first. It's the test bed.
It's a protocol -- applicable to much more than just gambling
Lol. It's not a gambling coin, it's a use case for it. By the way fiat currency is gambled and we don't call it a gambling coin.
I liked the other whiteboard videos, but I don't think this gambling talk is giving a good impression to the general public. People will begin to think that the 'Card' in Cardano is standing for poker cards.