Abstract
The popularity of smartphones has led to the growth of mobile app markets, creating a need for enhanced transparency, global access, and secure downloading. This article introduces AGChain, a blockchain-based gateway that enables trustworthy app delegation within existing markets. AGChain ensures that markets can continue providing services while users benefit from permanent, distributed, and secure app delegation. During its development, we address two key challenges: significantly reducing smart contract gas costs and enabling fully distributed IPFS-based file storage. Additionally, we tackle three system issues related to security and sustainability. We have implemented a prototype of AGChain on Ethereum and Polygon blockchains, achieving effective security and decentralization with a minimal gas cost of around 0.0028 USD per app upload (no cost for app download). AGChain also exhibits reasonable performance with an average overhead of 12%.
| Original language | English |
|---|---|
| Article number | 30 |
| Number of pages | 22 |
| Journal | Distributed Ledger Technologies: Research and Practice |
| Volume | 5 |
| Issue number | 3 |
| Early online date | 23 Dec 2024 |
| DOIs | |
| Publication status | E-pub ahead of print - 23 Dec 2024 |
| Externally published | Yes |
Bibliographical note
The work by Mengjie Chen and Daoyuan Wu were done while at The Chinese University of Hong Kong.Publisher Copyright: © 2026 Copyright held by the owner/author(s). Publication rights licensed to ACM.
Keywords
- Blockchain
- Smart contract
- Ethereum
- IPFS
- App security
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