Feat Request - Confidential Assets

[akuon]

Abstract:

This document proposes a new crypto feature for the AleoHQ blockchain that focuses on enabling confidential token transactions. This feature will enhance the AleoHQ blockchain by providing a mechanism for users to send and receive tokens while preserving the privacy of the transaction amounts.

Specifications:

• Technical Name: Confidential Assets
• Functionality: The Confidential Assets feature will introduce a new transaction type that utilizes zk-SNARKs to prove the validity of a transaction without revealing the transferred amount.
• Integration: The feature will be integrated into the existing AleoHQ transaction pool and consensus mechanism.
• Scalability: The zk-SNARK proving system will be optimized for efficiency to ensure scalability as the network grows.
• Security Considerations: The security of the confidential transactions will rely on the robustness of the underlying zk-SNARKs implementation.

Key Features:

• Confidential Transactions: Users can send and receive tokens without revealing the transaction amounts.
• Selective Disclosure: Users can choose to reveal transaction amounts to specific parties while maintaining privacy for others.
• Fungible Tokens: Confidential assets will be fungible, meaning all tokens of the same type will be identical and interchangeable.

Additional Notes:

• The implementation of Confidential Assets should consider interoperability with existing AleoHQ privacy features.
• Future enhancements could include support for non-fungible tokens with confidential attributes.