JustCall

A decentralized Caller ID Android application (DApp) that binds Malaysian mobile numbers to a unique blockchain-backed identity. Built to increase transparency, authenticity, and trust in everyday communication.

Final Year Project 2024
Supervised by Dr. Aida Osman, Universiti Teknologi PETRONAS

Features

• Register an immutable caller ID secured on-chain
• Background incoming call detection with real-time Caller ID pop-up
• Reown wallet integration (MetaMask, Trust Wallet, OKX, and more)
• eKYC verification powered by AnyForm
• Browse, search, and contact verified caller IDs

Stacks

• React Native
• Expo Development Build
• Supabase (Cloud DB and IAM)
• Hardhat (Solidity)
• Reown Wallet SDK
• Infura (Blockchain ledger provider)
• AnyForm (KYC)
  
  

Setup & Installation

1. Clone the repository

git clone https://github.com/nigelgks/JustCall.git
cd justcall

2. Install dependencies

npm install

⚠️ All packages were last maintained on December 2024, and may be outdated, expired, or deprecated.

3. Install Expo CLI (if you haven't already)

npm install -g expo-cli

4. Create your environment file

SUPABASE_URL=
SUPABASE_ANON_KEY=
INFURA_PROJECT_ID=
ANYFORM_API_KEY=

5. Run and develop

npm start

⚠️ Some packages do not support Expo Go. Recommend to use Expo Dev Build instead.