Web3 and blockchain applications for real world problems

• Main Author: Choo, Jin Cheng
• Other Authors: Ng Wee Keong
• Format: Final Year Project
• Language: English
• Published: Nanyang Technological University 2024
• Subjects: Computer and Information Science; Blockchain; Defi; Splidapp; Web3; Web3 and blockchain applications for real world problems
• Online Access: https://hdl.handle.net/10356/181120
• Institution: Nanyang Technological University

In today's increasingly digital world, managing shared expenses within groups remains a challenge despite the availability of centralized solutions like Tricount and Splid. These applications, while convenient, suffer from limitations such as lack of transparency, restricted user control, and inefficient settlement processes, especially for cross-border transactions. With the rapid growth of decentralized finance, there is a growing opportunity to leverage blockchain technology to address these shortcomings. This project presents Splidapp, a proof-of-concept decentralized application (DApp) designed to manage group expenses securely, transparently, and efficiently. Splidapp utilizes smart contracts to automate expense sharing through an escrow multi-signature wallet system, ensuring the integrity of transactions and providing users with greater control over their finances. Built using Flutter for mobile accessibility and Solidity for smart contract development, the application integrates with MetaMask to facilitate seamless blockchain interactions. The application uses ERC20 token, USD Coin for transactions, providing stability by avoiding cryptocurrency volatility. By incorporating the transparency and automation of blockchain technology, Splidapp offers a future-proof alternative to traditional expense management platforms, enhancing the user experience while addressing key limitations in the existing centralized systems.