Cross-Chain Atomic Swap via Hash Locks
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Solution Overview
Problem
Current cryptocurrencies and blockchains have incompatible structures, making direct transactions between them unfeasible, leading to inefficiencies in exchange processes.
Innovation Solution
A contract manager system with a graphical user interface, processor, and memory that enables atomic swaps between different blockchains by facilitating agreements, generating hashes, and transferring transaction payloads through smart contracts and oracles, allowing for the exchange of digital currencies across various blockchain networks without centralized intermediaries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If direct transactions are attempted between incompatible blockchains, then transaction speed would be fast, but the transactions cannot be executed due to structural incompatibility
Solution Approach 1:
The patent introduces hash locks and time locks as intermediary mechanisms that enable cross-chain transactions without direct compatibility. The hash lock acts as a conditional constraint that bridges two incompatible blockchains, allowing atomic swaps where funds are locked on one chain and released on another chain only when specific conditions are met, thus resolving the structural incompatibility issue.
Solution Approach 2:
The patent changes the parameter of transaction verification by using hash-based proofs instead of direct blockchain validation. By transforming the verification mechanism from chain-specific validation to hash-based conditional verification, the system enables transactions between incompatible blockchains while maintaining security and feasibility.
2Adaptability or versatility
If centralized intermediaries are used to enable cross-chain exchanges, then transaction compatibility is improved, but system complexity and trust requirements increase
Solution Approach 1:
The patent implements self-service through automated smart contracts that execute cross-chain transactions without human intervention or centralized management. The hash locks and time locks are self-enforcing mechanisms that automatically verify conditions and release funds, eliminating the need for trusted intermediaries while reducing system complexity compared to centralized exchange models.
Solution Approach 2:
The patent uses cryptographic hash functions as lightweight intermediaries that provide verification without requiring centralized trust. The hash lock serves as a decentralized mediator that enables cross-chain coordination through mathematical proofs rather than institutional trust, reducing system complexity while maintaining compatibility.
3Ease of operation
If atomic swap mechanisms are implemented with hash locks and time locks, then direct peer-to-peer exchange is enabled, but the system requires multiple blockchain interactions increasing complexity
Solution Approach 1:
The patent segments the atomic swap process into distinct phases: hash lock creation, time lock enforcement, and conditional release. Each phase operates independently on its respective blockchain, allowing the complex multi-chain interaction to be broken down into manageable, standardized operations that simplify implementation and verification.
Solution Approach 2:
The patent requires preliminary actions such as pre-computing hash locks and setting time lock durations before the actual exchange occurs. This preliminary preparation standardizes the interaction requirements and allows both parties to understand the exact sequence of operations needed, reducing the perceived complexity during execution.
Data Source
AI summary
A contract manager system is a system that allows at least two entities to exchange digital currencies of a different type or on different blockchains (e.g., exchanging XLM digital currency for Stellar Ledger digital currency). The system includes a graphical user interface (GUI) including a display, a processor, and memory. The memory includes instructions stored thereon, which, when executed by the processor, cause the system to execute an atomic swap.