OCC Protocol

With many iterations behind there are six smart contracts forming the core protocol layer:

• Mails: Handles email-like messaging on the EVM
• Chat: Provides a decentralized chat functionality on the EVM
• Users: Manages user information (encryption public keys)
• AppFeeManager: Manages fees and apps registration
• TierManager: Manages tiers and fees discount
• Lock: Locks ERC20 tokens for a specific period of time