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Expenze

Expenze

The GenZ way of handling your expenses. It's the Complete Cross-chain Payment Solution: Split Expenses with Friends, Roommates, and Group Trips Easily.

Built at ETHIndia 2023

Created on 9th December 2023

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Expenze

Expenze

The GenZ way of handling your expenses. It's the Complete Cross-chain Payment Solution: Split Expenses with Friends, Roommates, and Group Trips Easily.

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The problem Expenze solves

EXPENZE is a mobile-first, Web3-oriented decentralized application (DApp) providing a cross-chain expense payment solution. It empowers groups - whether friends, colleagues, or hackathon partners - to efficiently split and settle expenses across different blockchain networks. In the Web3 era, the common issue is managing payments in fiat while earnings are predominantly in crypto, particularly from hackathon winnings. EXPENZE addresses the complexity where individuals prefer receiving tokens on various chains.

Key Features:

  • Mobile-First Experience: Optimized for on-the-go access.
  • Exceptional User Interface: Focused on providing an engaging and intuitive experience.
  • Cross-Chain Token Transfers: Enabled by integrating Chainlink CCIP and Zetachain.
  • Off-Chain Expense Calculation: Ensures that each group member only needs to perform one transaction, enhancing the user experience and saving on gas fees.

Challenges we ran into

  • React Native DApp Development: Integrating wallet connectivity posed a significant challenge.
  • Transaction Simulation: Creating values for CCIP's ccipSend and Zetachain's onCrossChainCall.
  • Omnichain vs. Cross-Chain Contracts: Deciding the appropriate contract flow and building Omnichain smart contracts on Zetachain.
  • WalletConnect Integration: Seamlessly integrating WalletConnect and other Web3 wallets into the React Native DApp.
  • Understanding Zetachain: Grasping the flow and mechanics of Zetachain interactions.

Tracks Applied (5)

Arbitrum Track

With our dApp, EXPENZE, users can effortlessly send and receive settlement funds on Arbitrum. We leverage CCIP for secur...Read More
Arbitrum

Arbitrum

Polygon Track

Our dApp, EXPENZE, enables users to smoothly transfer and receive settlement money on Polygon. Utilizing CCIP, we facili...Read More
Polygon

Polygon

Base Track

It's a consumer app which makes managing funds easier for anyone who has any of the wallet. Our application, EXPENZE, a...Read More
Base

Base

Chainlink Track

Our platform harnesses the power of Chainlink CCIP for seamless cross-chain transactions. By utilizing the Chainlink CCI...Read More
Chainlink

Chainlink

ZetaChain Track

Our platform leverages ZetaChain for efficient cross-chain transactions and token swapping. ZetaChain offers support for...Read More
ZetaChain

ZetaChain

Technologies used

Expo

React Native

Redis

WalletConnect

Web3modal

Chainlink CCIP

Zeta Chain

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