AfriVault Protocol: Secure Asset Custody for the AfriChain Ecosystem

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Version 1.0 – June 2025





Abstract

AfriVault is a decentralized digital asset custody and settlement protocol designed to securely store, verify, and manage tokenized reserves backing AfriDollar (AFD) and other sovereign-backed instruments on the AfriChain network. Built with cross-jurisdictional compliance and transparent proof-of-reserves as its foundation, AfriVault serves as the backbone for trust in asset-backed financial instruments in Africa's blockchain-driven economy.

1. Purpose and Scope

AfriVault addresses the critical need for a secure and auditable mechanism for holding real-world and tokenized assets that back high-value digital currencies such as AfriDollar. The protocol ensures:

  • Decentralized custody across multiple institutions

  • Real-time reserve attestations and audits

  • Interoperability with commodity, fiat, and bond-backed tokens

  • Programmable liquidity release and risk triggers

2. Architecture Overview

  • Vault Smart Contracts: Secure, permissioned contracts that define asset types, terms of custody, and withdrawal thresholds.

  • Reserve Oracles: Provide real-time data feeds on asset values, audit certifications, and on-chain/off-chain synchrony.

  • Validator Nodes: Consortium-run nodes (banks, asset custodians, auditors) responsible for multi-signature governance.

  • Proof-of-Reserve Engine: On-chain module that generates ZKPs (Zero-Knowledge Proofs) to confirm asset reserves.

3. Supported Assets

AfriVault supports custody and tokenization of:

  • Fiat currencies (e.g., Central Bank holdings in NGN, ZAR, GHS)

  • Precious metals (gold, platinum, etc.)

  • Strategic commodities (e.g., cocoa, oil, lithium)

  • Sovereign bonds

  • Carbon credits and land-titled assets

4. Security and Governance

  • Multi-Sig Access Control: All vaults require a threshold of authorized signers (minimum 3-of-5 model).

  • Audit Trails: Immutable on-chain logs of asset movement and access.

  • Slashing Mechanisms: Penalties for validators who fail to meet uptime or compliance requirements.

  • AfriVault DAO: A sub-DAO within AfriChain Governance overseeing policy, onboarding of custodians, and dispute resolution.

5. Use Cases

  • Backing AfriDollar and other stable instruments

  • Digital warehouse receipts for farmers

  • Treasury and collateral management for governments

  • Asset-verified DeFi instruments (lending, staking, insurance)

6. Roadmap

  • Q3 2025: Launch in Ghana and Nigeria with central bank sandbox support

  • Q1 2026: Integration with AfriDollar 2.0, mobile interface for custodians

  • Q3 2026: Full DAO control and multi-jurisdiction deployment

7. Contact & Contribution

To contribute to AfriVault or join the validator consortium:

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