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Freema

Freema is a crypto-enabled C2C marketplace operating on Telegram, leveraging chatGPT and Account Abstraction to enhance user experience.

Freema

Created At

ETHGlobal Sydney

Winner of

Worldcoin - Best World ID Usage 1st Prize

Project Description

  • Telegram Integration : Through the Telegram mini-app, sellers can easily list items by sending images in a chat. Prices are automatically determined by ChatGPT.

  • Easy Payments : Buyers can select products via the Telegram mini-app and make payments using existing cryptocurrencies or smoothly transition to crypto via Unlimit.

  • Gas-Free Transactions : Utilizing ERC4337 Account Abstraction wallets allows for SNS login and transactions without gas fees.

  • Secure Transactions : Payments from buyers to sellers are securely processed through smart contracts on Base or Mantle, minimizing dependence on operator trust.

  • Enhanced Trust : A World ID-based rating system prevents manipulation and rating resets, enhancing marketplace trust in a decentralized manner.

How it's Made

Tech Stack

  • Frontend : NextJS.
  • Backend : Grammy. (telegram bot chat bot language)
  • Conversational Interface : ChatGPT
  • Account Management : Implements World ID to prevent a single person from creating multiple accounts.
  • Crypto On-ramping : Unlimit.
  • Blockchain : Base Sepolia and Mantle Sepolia.
  • Account Abstraction Wallet : Kernel Wallet from Zerodev
  • Bundler and Paymaster : ZeroDev on Base and Particle Network on Mantle.
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