Middleware Smart Contract for Verifiable Cross-Chain Transactions
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Solution Overview
Problem
Cross-chain blockchain transactions face security risks due to the lack of a mutually trusted middleware smart contract, leading to potential tampering and fraud, especially when using a single API for cross-chain interactions.
Innovation Solution
A cloud-based middleware smart contract is introduced to facilitate cross-chain transactions, performing a handshake process between applications and the smart contract to establish trust, using data from both blockchains to verify results and generate alerts for mismatches, ensuring secure and verifiable transactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single API is used for cross-chain interactions, then ease of operation is improved, but security and reliability deteriorate due to potential tampering and fraud
Solution Approach 1:
The patent introduces a middleware smart contract as an intermediary layer between different blockchain networks. This mediator performs verification of cross-chain transactions by checking data integrity, validating transaction parameters, and ensuring compliance with smart contract logic. The middleware acts as a trusted third party that enables secure cross-chain communication without requiring direct trust between the participating blockchains, thus resolving the contradiction between operational simplicity and security.
2Adaptability or versatility
If cross-chain transactions are enabled between different blockchains, then adaptability and versatility are improved, but security risks increase due to potential tampering
Solution Approach 1:
The patent implements a feedback mechanism where the middleware smart contract continuously monitors and verifies cross-chain transactions. The system receives transaction data from source blockchains, performs verification against predefined rules and smart contract logic, and provides feedback by either approving or rejecting transactions. This feedback loop ensures that only valid and secure transactions are processed, enabling versatile cross-chain interoperability while maintaining security through continuous verification and validation.
3Reliability
If a middleware smart contract is introduced for cross-chain verification, then reliability and security are improved, but device complexity increases
Solution Approach 1:
The middleware smart contract is designed as a universal verification layer that can handle multiple types of cross-chain transactions across different blockchain networks. It implements a standardized verification process that works with various blockchain protocols and data formats, making the system scalable and adaptable to different use cases. By providing a single, multi-functional verification mechanism, the patent reduces the need for separate verification systems for each blockchain pair, thus managing complexity while maintaining high reliability and security standards.
Data Source
AI summary
An electronic device includes a memory; and a processor coupled to the memory and configured to receive instructions from the memory which, when executed by the processor, cause the electronic device to transmit first data associated with a first blockchain to a second application; receive second data associated with a second blockchain from the second application; transmit the first data to a middleware smart contract; perform a first blockchain function using the first data and the second data to obtain a first result; receive third data from the middleware smart contract in response to transmission of the first data to the middleware smart contract; trust the middleware smart contract when the first result and third data match; and generate an alert when the first result and the third data do not match.