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PRICING_MECHANISM.MD

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Pricing Mechanism: The African Currency Basket Unit (ACBU)

Overview

ACBU is similar to the IMF's SDR (Special Drawing Rights) or the old ECU (European Currency Unit) before the Euro - it's a basket-weighted composite value.

Base Principle

1 Stablecoin = 1 ACBU (African Currency Basket Unit)

The ACBU value floats against USD, EUR, and other currencies but remains stable relative to the weighted African currency basket.

How the Price is Calculated

Step 1: Define the Basket Composition

MVP Phase (3 currencies - Stage 1):

  • NGN: 40% weight
  • KES: 35% weight
  • RWF: 25% weight

7-Currency Basket (Stage 3A):

  • NGN: 18% weight (down from 40%)
  • KES: 12% weight (down from 35%)
  • RWF: 8% weight (down from 25%)
  • ZAR: 15% weight (new)
  • GHS: 9% weight (new)
  • EGP: 11% weight (new)
  • MAD: 7% weight (new)

Full Basket (10 currencies - Stage 3B):

  • NGN: 18% weight
  • ZAR: 15% weight
  • KES: 12% weight
  • EGP: 11% weight
  • GHS: 9% weight
  • RWF: 8% weight
  • XOF: 8% weight
  • MAD: 7% weight
  • TZS: 6% weight
  • UGX: 6% weight

Step 2: Calculate the Reference Amount for Each Currency

At launch (hypothetical initial values):

1 ACBU = 
  (0.18 × 1,000 NGN) +
  (0.15 × 100 ZAR) +
  (0.12 × 700 KES) +
  (0.11 × 200 EGP) +
  (0.09 × 60 GHS) +
  (0.08 × 1,500 RWF) +
  (0.08 × 3,500 XOF) +
  (0.07 × 55 MAD) +
  (0.06 × 1,800 TZS) +
  (0.06 × 2,000 UGX)

= Fixed basket at inception

These amounts are locked at launch and define what 1 stablecoin represents. This definition changes as more currencies get added per quarter and GDP changes happen.

Step 3: Daily Valuation Against Any Currency

The stablecoin's value in ANY currency (USD, EUR, or any African currency) floats based on:

Value in USD = Sum of (Weight × Currency Amount × FX Rate to USD)

Example calculation on Day 1:

If NGN/USD = 0.0012
   ZAR/USD = 0.055
   KES/USD = 0.0073
   ... etc

1 ACBU in USD = (0.18 × 1000 × 0.0012) + (0.15 × 100 × 0.055) + ...
              = Resulting USD value (let's say ~$0.85)

On Day 30, if currencies move:

  • If African currencies collectively strengthen vs USD → 1 ACBU might = $0.90
  • If they weaken → 1 ACBU might = $0.80

Stability Characteristics

What IS Stable:

✅ 1 ACBU always = the same basket of African currencies

  • 1 ACBU today = 180 NGN + 15 ZAR + 84 KES + ... (fixed amounts)
  • 1 ACBU tomorrow = 180 NGN + 15 ZAR + 84 KES + ... (same amounts)

What FLOATS:

  • ACBU value against USD, EUR, GBP, CNY (floats based on collective African currency performance)
  • Individual African currency values within the basket (but diversification smooths volatility)

Practical Example: User Perspective

Scenario: A Kenyan Merchant Using ACBU

Day 1:

  • 1 ACBU = 700 KES
  • Merchant sells goods worth 7,000 KES
  • Receives: 10 ACBU stablecoins
  • ACBU value in USD: $0.85

Day 30 (KES weakens 5% vs basket):

  • 1 ACBU = 735 KES (because KES lost value relative to basket)
  • Merchant still has: 10 ACBU
  • ACBU value in USD: $0.87 (basket strengthened slightly vs USD)

When merchant redeems:

  • Wants KES back → Gets 7,350 KES (more KES because KES weakened)
  • OR wants NGN → Gets amount based on NGN/ACBU rate at that time
  • OR wants USD → Gets ~$8.70

The Key Insight: The merchant is protected from single-currency risk but exposed to basket performance. If they're doing business across multiple African countries, this is actually less volatile than holding any single currency.

Comparison Scenarios

Traditional USD Stablecoin (USDT):

  • Day 1: 1 USDT = 1,550 NGN
  • Day 30: 1 USDT = 1,620 NGN (NGN weakened)

Nigerian user who held USDT:

  • Started with $100 = 155,000 NGN
  • Ends with $100 = 162,000 NGN
  • Gained NGN but exposed to USD strength

Our African Stablecoin Basket (ACBU):

  • Day 1: 1 ACBU = 1,000 NGN (18% weighted)
  • Day 30: 1 ACBU = 1,015 NGN (NGN weakened slightly, but other basket currencies offset)

Nigerian user who held ACBU:

  • Started with 100 ACBU = 100,000 NGN
  • Ends with 100 ACBU = 101,500 NGN
  • More stable relative to their regional trading partners

Volatility Reduction Through Diversification

Single Currency Volatility (example: NGN):

  • Annual volatility vs USD: ~15-20%

Our Basket Volatility:

  • Expected annual volatility vs USD: ~8-12% (diversification benefit)
  • When NGN weakens, ZAR might strengthen
  • When East African currencies dip, North African might rise
  • Commodity price impacts (oil, gold, agriculture) affect currencies differently

Price Discovery & Transparency

Daily Reference Rate Publication

Every day at 12:00 UTC, calculate and publish:

ACBU Dashboard (Public):

Current ACBU Value:
├── In USD:  $0.8542 (+0.3% vs yesterday)
├── In EUR:  €0.7821 (+0.1%)
└── In GBP:  £0.6734 (-0.2%)

Component Currency Rates:
├── NGN: 1 ACBU = 1,003.45 NGN
├── ZAR: 1 ACBU = 15.23 ZAR  
├── KES: 1 ACBU = 704.12 KES
└── [... all currencies]

Reserve Health: 102.3% (over-collateralized)
Last Audit: 2 days ago ✓

Oracle System

Price Feed Sources:

  • Primary: Central Bank rates (official)
  • Secondary: Fintech partner rates (actual transaction rates)
  • Tertiary: Forex market rates
  • Validation: Cross-check all three, use median

Smart Contract Updates: Every 6 hours on weight and oracle used to get deposit notifications and burn instructions to send fiat to user

API Access: Real-time for partners

User Experience: How People Understand the Value

For End Users (Simple Explanation): "1 ACBU represents a basket of Africa's currencies. It's like holding a diversified portfolio of African money. Its value in any single currency will change, but it's more stable than holding just one currency."

Display in Wallets:

Your Balance: 500 ACBU
Worth approximately:
├── 500,000 NGN (if you're in Nigeria)
├── 7,500 ZAR (if you're in South Africa)  
├── 350,000 KES (if you're in Kenya)
├── $427 USD
└── €391 EUR

Risk Disclosure

ACBU is NOT pegged to USD or any single currency

✓ ACBU maintains stable value relative to a basket of 10 African currencies

✓ Its USD/EUR value will fluctuate based on African currency performance

✓ Best for: African cross-border transactions, regional trade, diversified savings

✗ Not ideal for: Holding purely USD-denominated value

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