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An integrated blockchain and IPFS-based solution for secure and efficient source code repository hosting using

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This study presents a hybrid decentralized version control system (VCS) using blockchain and IPFS. It achieves faster submission times, reducing latency by up to 49% while maintaining security and decentralization.

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Area of Science:

  • Computer Science
  • Software Engineering
  • Distributed Systems

Background:

  • Centralized version control systems (VCS) are essential for software development but present risks like data loss and ownership issues.
  • Existing decentralized VCS solutions often suffer from high latency, hindering real-time collaboration.
  • Blockchain technology offers a decentralized alternative but faces challenges with speed and efficiency.

Purpose of the Study:

  • To introduce a novel hybrid architecture for a decentralized version control system (VCS).
  • To enhance security and resilience in source code hosting using blockchain and IPFS.
  • To improve user-perceived performance in decentralized VCS by mitigating latency issues.

Main Methods:

  • Developed a hybrid architecture integrating Ethereum blockchain and InterPlanetary File System (IPFS).
  • Implemented Shamir's Secret Sharing (SSS) for a trust-minimized key distribution model.
  • Designed an authoritative-first, optimistic-fallback retrieval protocol with temporary middleware to reduce latency.

Main Results:

  • A functional prototype was implemented and evaluated on the Sepolia testnet.
  • The architecture provides a secure, auditable, and resilient platform for source code hosting.
  • User-perceived push time showed a reduction in submission latency by up to 49% compared to standard git push.

Conclusions:

  • The proposed hybrid architecture successfully balances security, decentralization, and performance for VCS.
  • Decentralized VCS can achieve competitive user-perceived performance, addressing practical workflow needs.
  • This approach offers a viable alternative to centralized VCS, mitigating risks while enhancing efficiency.