Game Controller Secure Element for Continuous Blockchain Transactions
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Solution Overview
Problem
Existing game controllers disrupt gameplay sessions when users need to connect hardware wallets for blockchain transactions, as they are cumbersome and lack integrated cryptographic hardware, especially on devices without secure execution environments.
Innovation Solution
A manual game controller with integrated cryptographic hardware and a trusted execution environment (TEE) allows secure blockchain transactions directly from the controller, eliminating the need for external devices and maintaining gameplay continuity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users connect external hardware wallets to perform blockchain transactions, then transaction security is improved, but gameplay continuity deteriorates due to session interruptions
Solution Approach 1:
The patent combines the hardware wallet functionality directly into the game controller by integrating a secure element chip. This merging eliminates the need for separate external wallet devices, allowing users to perform blockchain transactions seamlessly during gameplay without disconnecting or switching devices, thus maintaining gameplay continuity while ensuring transaction security through the integrated secure element.
2Reliability
If external hardware wallets are used for transactions, then cryptographic security is improved, but device complexity increases due to multiple connected devices
Solution Approach 1:
The secure element chip is integrated directly into the game controller's hardware architecture, combining cryptographic security functionality with the gaming device. This eliminates the need for multiple separate devices (game controller + external wallet), reducing system complexity while maintaining high cryptographic security through the dedicated secure element that stores private keys and performs cryptographic operations internally.
Solution Approach 2:
The game controller is designed to serve multiple functions: traditional gaming control and blockchain transaction management. The integrated secure element enables the controller to function as both a gaming input device and a cryptographic wallet, eliminating the need for separate specialized devices and reducing overall system complexity while maintaining security.
3Reliability
If cryptographic hardware is integrated into the controller, then transaction security is improved, but manufacturing complexity increases
Solution Approach 1:
The secure element chip is integrated into the game controller's existing hardware architecture during the manufacturing process. This consolidation allows cryptographic security functionality to be built into the controller as a standard component, enabling mass production through established semiconductor integration techniques while maintaining high transaction security through the dedicated secure element hardware.
Data Source
AI summary
A Web3 gamepad contains a secure element to hold the user's cryptographic identity to access their accounts with just the gamepad. These accounts are not limited to Web2 accounts, such as Netflix or Steam, but include Web3 accounts, to allow players to store access keys to a blockchain (NFTs . . . etc). The secure element can be removable if integrated into a hardware wallet module that is matable to the gamepad to allow for portability and compatibility with laptop/desktop, and to be able to substitute the gamepad in the event of accidental damage, without substituting the wallet.