Introduction to the course

Welcome to the Zero-Knowledge Proof (ZKP) course on Chromia. This course will guide you through a production-ready demonstration of private token transfers using zero-knowledge proofs on the Chromia blockchain. This demo showcases confidential transactions where transfer amounts remain hidden from the public ledger while maintaining full transactional integrity.

Course overview

This course is based on a demo application that implements a complete private token lifecycle with four core operations:

1. Balance creation (faucet): Initialize public token balances for demonstration purposes.
2. Shield operation: Convert public tokens to private notes using ZKP.
3. Private transfer: Transfer private tokens between users with full privacy and smart consolidation.
4. Unshield operation: Convert private notes back to public tokens using ZKP.

By the end of this course, you will understand how these components work together to create a secure and private token system on Chromia.

Key features

The system you'll be exploring has a number of powerful features:

• Complete privacy: Transfer amounts and balances are hidden using ZKP.
• Bank-grade security: Hierarchical key derivation with password-based encryption.
• Smart consolidation: Automatic note consolidation for seamless transfers.
• Cross-user encryption: Asymmetric encryption for secure note sharing.
• Production ready: Session management, auto-lock, and enterprise security.
• MetaMask integration: Seamless wallet connection and account management.
• Modern UI: Intuitive interface with real-time balance updates.

Let's get started on our journey into zero-knowledge proofs on Chromia!