Cross-Game Cryptographic Asset API with Single-Game Usage Control
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Solution Overview
Problem
Conventional NFTs pose challenges for traditional gaming by limiting the use case of 'game collectibles' backed on a blockchain, as players desire to keep game items even when servers are shut down, and existing technologies struggle with computational load management during coincident in-game events.
Innovation Solution
Implementing off-chain electronic games with on-chain cryptographic assets for in-game assets, using NFT attribute cards for upgrades, and leveraging blockchain verification for ownership, while managing computational load through temporal separation of level progression events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional NFTs are used for game collectibles, then ownership can be transferred and traded, but players cannot retain items when servers are shut down and the system lacks flexibility for cross-game interoperability
Solution Approach 1:
The patent segments the game asset system into off-chain game assets and on-chain cryptographic assets (NFTs). The NFTs serve as independent, transferable ownership certificates that exist separately from the game server infrastructure, allowing players to retain ownership proof even when servers shut down while enabling cross-game interoperability through standardized cryptographic asset interfaces.
Solution Approach 2:
The patent introduces an intermediary layer of cryptographic assets that mediate between the game assets and the blockchain. These NFTs act as portable ownership certificates that can be verified across different game platforms, enabling cross-game interoperability while maintaining secure ownership records on the blockchain.
2Reliability
If blockchain verification is used for all in-game events, then ownership security is improved, but computational load increases during coincident in-game events
Solution Approach 1:
The patent segments verification operations into two categories: critical ownership transfers that require on-chain blockchain verification for security, and routine in-game events that use off-chain verification mechanisms. This reduces computational load by avoiding blockchain verification for every coincident in-game event while maintaining security for important transactions.
Solution Approach 2:
The patent applies blockchain verification selectively rather than universally. Only essential ownership changes and high-value transactions trigger on-chain verification, while routine gameplay events use lighter off-chain verification. This partial application of blockchain verification maintains security for critical operations while reducing overall computational load.
Data Source
AI summary
A computer system operates an off-chain electronic game that includes in-game assets stored off of a blockchain. The off-chain electronic game is provided by the system with one or more other electronic games. Each of the electronic games are configured to incorporate or integrate the use of on-chain cryptographic assets for in-game leveling and progression. The system implements an interoperability application programming interface (API) that controls usage of an on-chain cryptographic asset between different electronic games. In some examples, the interoperability API permits usage of an on-chain cryptographic asset in only one electronic game in only one point in time. In response to a query by an electronic game that specifies a given asset, the interoperability API can provide a response that indicates that the given asset is already in use in a different game and is not permitted for usage in the electronic game.