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Glossary

Game Channels

November 21, 2023 - Around 3 mins mins to read

Understanding Game Channels

To fully grasp the concept of game channels, it is essential to have a clear understanding of how blockchain games operate. In general, blockchain games are built on decentralized and trustless environments. This means that there is no central authority involved, ensuring fair play that can be verified. However, blockchain games encounter certain “technical difficulties.”

For instance, as more players join a game, storing all the files and data on the underlying blockchain network can lead to scalability issues. Moreover, in multiplayer gaming or player vs player matches, it is crucial for each player to be able to make their moves quickly. Unfortunately, most blockchain games do not offer this functionality as they require a transaction to be created for each move, which can take time depending on the network congestion.

Game channels provide a solution to this problem while offering additional features for blockchain games. Essentially, game channels are protocols that enable secure off-chain transactions between players. This allows for the creation of private channels that run parallel to the main chain, operating in their own off-chain space and in near-real-time. By utilizing game channels, any blockchain network can enhance its scalability to support multiple games and decentralized applications (dApps) without compromising transaction speeds.

Furthermore, game channels offer completely decentralized and trustless dispute resolution without the need for a third-party or central authority. In a way, game channels can be seen as individual payment channels for specific games.

Functionality of Game Channels

The main purpose of game channels is to facilitate real-time gameplay between players. Since most blockchain games require transactions for every move, there is a noticeable delay that players have to endure before they can make their next move.

Game channels allow players to take their gameplay onto a secure off-chain network. As a result, the time between moves is significantly reduced, enabling players to enjoy the game in near-real-time.

Let’s consider an example to illustrate how game channels work. Suppose two players decide to compete in a turn-based card game for prize money (tokens). Both players agree on the game’s rules and guidelines, contribute to the prize money, and open a game channel. They proceed to play the game through the game channel, and once the predefined win/loss criteria are met, the smart contract releases the funds to the winner’s account. All the records are recorded in the ledger on the main chain, and the game channel is then closed.

Throughout this process, both players remain connected to the public blockchain network that supports the card game. If one player attempts to cheat and enters an invalid outcome on the public ledger, the other player can trustlessly prove this and ensure that the game rules are enforced correctly.

About the Author

Dr. Daniel Kraft is the CTO of Autonomous Worlds and co-founder of XAYA. He has been actively involved in the blockchain community since 2011, contributing to the development of Bitcoin, Namecoin, and Huntercoin since 2013. With a Ph.D. in Applied Mathematics and a Master’s degree in Theoretical Physics, Dr. Kraft began his career as a Software Engineer at Google in Zurich, Switzerland. Driven by his passion for blockchain technology, he transitioned into the role of CTO for Autonomous Worlds Ltd, focusing on the Xaya platform and game development. Dr. Kraft has also published numerous research articles in peer-reviewed journals, including two related to blockchain technology.

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Glossary

Game Channels

Understanding Game Channels

To fully grasp the concept of game channels, it is essential to have a clear understanding of how blockchain games operate. In general, blockchain games are built on decentralized and trustless environments. This means that there is no central authority involved, ensuring fair play that can be verified. However, blockchain games encounter certain “technical difficulties.”

For instance, as more players join a game, storing all the files and data on the underlying blockchain network can lead to scalability issues. Moreover, in multiplayer gaming or player vs player matches, it is crucial for each player to be able to make their moves quickly. Unfortunately, most blockchain games do not offer this functionality as they require a transaction to be created for each move, which can take time depending on the network congestion.

Game channels provide a solution to this problem while offering additional features for blockchain games. Essentially, game channels are protocols that enable secure off-chain transactions between players. This allows for the creation of private channels that run parallel to the main chain, operating in their own off-chain space and in near-real-time. By utilizing game channels, any blockchain network can enhance its scalability to support multiple games and decentralized applications (dApps) without compromising transaction speeds.

Furthermore, game channels offer completely decentralized and trustless dispute resolution without the need for a third-party or central authority. In a way, game channels can be seen as individual payment channels for specific games.

Functionality of Game Channels

The main purpose of game channels is to facilitate real-time gameplay between players. Since most blockchain games require transactions for every move, there is a noticeable delay that players have to endure before they can make their next move.

Game channels allow players to take their gameplay onto a secure off-chain network. As a result, the time between moves is significantly reduced, enabling players to enjoy the game in near-real-time.

Let’s consider an example to illustrate how game channels work. Suppose two players decide to compete in a turn-based card game for prize money (tokens). Both players agree on the game’s rules and guidelines, contribute to the prize money, and open a game channel. They proceed to play the game through the game channel, and once the predefined win/loss criteria are met, the smart contract releases the funds to the winner’s account. All the records are recorded in the ledger on the main chain, and the game channel is then closed.

Throughout this process, both players remain connected to the public blockchain network that supports the card game. If one player attempts to cheat and enters an invalid outcome on the public ledger, the other player can trustlessly prove this and ensure that the game rules are enforced correctly.

About the Author

Dr. Daniel Kraft is the CTO of Autonomous Worlds and co-founder of XAYA. He has been actively involved in the blockchain community since 2011, contributing to the development of Bitcoin, Namecoin, and Huntercoin since 2013. With a Ph.D. in Applied Mathematics and a Master’s degree in Theoretical Physics, Dr. Kraft began his career as a Software Engineer at Google in Zurich, Switzerland. Driven by his passion for blockchain technology, he transitioned into the role of CTO for Autonomous Worlds Ltd, focusing on the Xaya platform and game development. Dr. Kraft has also published numerous research articles in peer-reviewed journals, including two related to blockchain technology.

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