SolSplit

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  Home Page

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  Logbook Page

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  Group Page

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  Settle-Up Page

Inspiration

Managing group expenses has always been a source of frustration, with traditional platforms relying on centralized systems that often lack transparency, efficiency, and trust. Inspired by Solana’s high speed, low fees, and decentralized infrastructure, we envisioned SolSplit as a blockchain-powered alternative. Our goal was to create a secure, transparent, and seamless way for groups to manage and settle expenses without the common hassles of manual tracking or delayed payments.

What It Does

SolSplit is a decentralized expense-sharing platform built on Solana. It allows users to track and split expenses in real-time while enabling instant settlements in SOL. Users can create groups, define custom splitting rules, and maintain an immutable, transparent record of all transactions. With wallet integration, privacy options, and smart contracts automating settlements, SolSplit redefines group expense management for the blockchain era.

How We Built It

We used Solana’s Anchor framework to develop robust smart contracts that automate expense splitting and handle transactions securely. The backend was designed to support SOL and utilize splitting rules through the smart contracts while ensuring transparency through the blockchain. For the frontend, we leveraged Next.js to create a responsive and intuitive interface, integrating with Solana wallets like Phantom to facilitate smooth user authentication and real-time interactions with the blockchain.

Challenges We Ran Into

The steep learning curve of Solana’s development ecosystem, particularly the Anchor framework, was a significant challenge. Designing smart contracts that could handle edge cases, such as partial settlements and uneven splits, required careful consideration and extensive testing. Additionally, ensuring real-time synchronization between the blockchain and the Next.js frontend posed technical difficulties, especially in maintaining a smooth user experience.

Accomplishments That We're Proud Of

We’re proud to have built a fully functional decentralized application within the constraints of a hackathon. The integration of Solana’s high-performance blockchain with a user-friendly frontend was a major achievement. We also successfully implemented smart contracts that automate expense splitting, making the process not only efficient but also transparent and trustless.

What We Learned

Through this project, we gained a deep understanding of Solana’s ecosystem and its potential for decentralized applications. Working with the Anchor framework and integrating Solana wallets taught us the importance of user-friendly design in blockchain projects. We also learned how to address real-world pain points, as well as crucial self-management and collaborative skills.

What's Next for SolSplit

Moving forward, we plan to enhance SolSplit with additional features, such as expanding to other coins and blockchains, increasing interoperability integrating fiat on-ramps (cash to crypto) to broaden accessibility. Our ultimate goal is to bring SolSplit to a wider audience, providing a decentralized solution for group expense management that is both practical and transformative.

Built With

• anchor
• next.js
• solana