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Mbongo (MBO) — Token Introduction

Document Type: Token Overview
Last Updated: November 2025
Status: Official Reference

1. Overview

MBO is the native token of Mbongo Chain, a compute-first blockchain designed for global GPU coordination and high-throughput state execution.

MBO serves as the fundamental unit of value within the network, enabling consensus participation, compute marketplace transactions, and network fee payments.

2. Purpose of MBO

MBO fulfills four core functions within the Mbongo Chain ecosystem:

Function Description
Staking Validators stake MBO to participate in Proof-of-Stake consensus
Compute Incentives GPU providers earn MBO rewards for Proof-of-Useful-Work contributions
Transaction Fees All network operations require MBO for gas and fee payments
Governance MBO holders participate in protocol governance decisions

3. Key Properties

Fixed Supply

MBO has a fixed maximum supply with no inflation mechanism:

┌─────────────────────────────────────────────────────────────┐
│                    MBO SUPPLY                               │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│   Maximum Supply:     31,536,000 MBO                       │
│   Inflation:          None (fixed cap)                     │
│   Smallest Unit:      1 nMBO (10⁻⁹ MBO)                    │
│                                                             │
└─────────────────────────────────────────────────────────────┘

Halving Schedule

Block rewards are reduced by 50% every 5 years to ensure long-term sustainability:

┌─────────────────────────────────────────────────────────────┐
│                 HALVING SCHEDULE                            │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│   Year 0-5:       Base reward                              │
│   Year 5-10:      50% of base reward                       │
│   Year 10-15:     25% of base reward                       │
│   Year 15-20:     12.5% of base reward                     │
│   ...             Continues halving every 5 years          │
│                                                             │
└─────────────────────────────────────────────────────────────┘

Role in Consensus

MBO is integral to the hybrid PoS + PoUW consensus mechanism:

  • Proof-of-Stake (PoS): Validators must stake MBO to participate in block production and earn staking rewards
  • Proof-of-Useful-Work (PoUW): GPU compute providers earn MBO for verified compute contributions

4. Supply Breakdown

┌─────────────────────────────────────────────────────────────┐
│              HIGH-LEVEL SUPPLY ALLOCATION                   │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│   Category                        │  Allocation            │
│   ────────────────────────────────┼────────────────────────│
│   Block Rewards (PoS + PoUW)      │  Majority of supply    │
│   Ecosystem Development           │  Reserved              │
│   Team & Contributors             │  Vested allocation     │
│   Foundation Reserve              │  Long-term fund        │
│                                                             │
│   Note: Detailed breakdown in tokenomics_full.md           │
│                                                             │
└─────────────────────────────────────────────────────────────┘

5. Reward Distribution

Block rewards are split between PoS validators and PoUW compute providers:

┌─────────────────────────────────────────────────────────────┐
│              REWARD SPLIT (PER BLOCK)                       │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│   Recipient                       │  Share                 │
│   ────────────────────────────────┼────────────────────────│
│   PoS Validators                  │  50%                   │
│   PoUW Compute Providers          │  50%                   │
│                                                             │
│   Total                           │  100%                  │
│                                                             │
└─────────────────────────────────────────────────────────────┘

This split aligns incentives between network security (PoS) and useful computation (PoUW).

6. For Developers

MBO is the native asset required for all on-chain operations. When building on Mbongo Chain:

  • Gas fees are paid in MBO for transaction execution
  • Staking contracts accept MBO for validator delegation
  • Compute tasks are priced and settled in MBO
  • Smart contracts (future) will use MBO for deployment and execution costs

All SDK methods and RPC endpoints denominate values in MBO or its smallest unit (nMBO).

7. For Participants

MBO represents ownership in the Mbongo Chain network. Token holders can:

  • Stake MBO to earn validator rewards and support network security
  • Delegate to validators without running infrastructure
  • Provide compute via GPU nodes to earn PoUW rewards
  • Participate in governance as the protocol evolves

The fixed supply and halving schedule create predictable token economics over time.

8. Related Documentation

Document Description
tokenomics_full.md Complete tokenomics specification
staking_guide.md Validator staking instructions
compute_provider_guide.md GPU provider setup
governance.md Governance participation

This document provides an introduction to MBO. For detailed economic specifications, see the full tokenomics documentation.