Freema

Screenshots

Problem Statement

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.

Solution

Tech StackFrontend : NextJS.Backend : Grammy. (telegram bot chat bot language)Conversational Interface : ChatGPTAccount 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 ZerodevBundler and Paymaster : ZeroDev on Base and Particle Network on Mantle.