Skip to content

RISK_MANAGEMENT.MD

Latest commit

 

History

History
160 lines (120 loc) · 4.51 KB

RISK_MANAGEMENT.MD

File metadata and controls

160 lines (120 loc) · 4.51 KB

Risk Management

Rebalancing & Withdrawal Problems

This is where most basket-backed stablecoins FAIL. ACBU addresses these proactively.

Single Currency Withdrawal Pressure

Problem Scenario

Example: NGN strengthens vs basket

  • Day 1: NGN = 1,550/USD
  • Day 30: NGN = 1,450/USD (strengthened 6.5%)

Arbitrage opportunity:

  • Users deposit other weak currencies
  • Withdraw only NGN (now stronger)
  • Profit from the arbitrage
  • NGN reserves depleted

Solutions

Solution A: Dynamic Redemption Fees

Real-time Fee Adjustment Algorithm:

If NGN reserve level < 15% (target 18%):

  • NGN withdrawal fee: 2.0% (vs normal 1.5%)
  • NGN deposit bonus: -0.3% (incentivize deposits)
  • Display warning: "NGN reserves low, higher fees"

If NGN reserve level > 21% (above target):

  • NGN withdrawal fee: 1.0% (encourage withdrawals)
  • NGN deposit fee: 1.2% (discourage deposits)
  • Auto-rebalance excess to other currencies

Solution B: Withdrawal Limits Per Currency

Daily Withdrawal Caps (Per Currency):

Individual Users:

  • Basket withdrawal: Unlimited
  • Single currency: $10,000 equivalent/day
  • Reset: 24-hour rolling window

Institutional Users:

  • Basket withdrawal: Unlimited
  • Single currency: $100,000/day with 24hr notice
  • Larger amounts: 3-day advance notice required

System-Wide Circuit Breakers:

  • If any currency reserve < 10% target:
    • Pause single-currency withdrawals for that currency
    • Basket withdrawals continue normally

Solution C: Market-Making Incentives

Liquidity Provider Program:

Offer incentives for users/institutions to:

  • Deposit under-weight currencies (earn 0.5% bonus)
  • Withdraw over-weight currencies (reduced fees)
  • Provide standing orders for rebalancing

Institutional Users Arbitraging Rising Currencies

Problem

Sophisticated actors could:

  1. Monitor currency trends
  2. Mint ACBU with weak currencies
  3. Immediately redeem for strong currencies
  4. Drain specific reserves

Solutions

Solution A: Time-Based Redemption Locks

Minting Lockup Mechanism:

New ACBU minted:

  • Immediate use: Peer-to-peer transfers ✓
  • Immediate use: Merchant payments ✓
  • Basket redemption: Available immediately ✓
  • Single currency redemption: 72-hour lockup ✗

After 72 hours: All redemption options available

Rationale: Prevents flash arbitrage while maintaining utility for genuine payments.

Solution B: Redemption Curves (Algorithmic Pricing)

Bonding Curve for Single-Currency Redemptions:

Small withdrawals: Lower fee
Large withdrawals: Higher fee (exponential)

Example (NGN withdrawal):

  • 0-1,000 ACBU: 1.5% fee
  • 1,000-5,000 ACBU: 2.0% fee
  • 5,000-10,000 ACBU: 2.5% fee
  • 10,000+ ACBU: 3.0% fee + slippage

This makes large arbitrage unprofitable.

Solution C: KYC/AML Monitoring for Patterns

Automated Monitoring System:

Flag suspicious patterns:

  • Mint → immediate single-currency redeem
  • Multiple accounts, same beneficial owner
  • Rapid cycling through multiple currencies
  • Coordination with forex market movements

Action:

  • Enhanced due diligence
  • Require basket redemption only
  • Temporary withdrawal limits
  • Report to compliance team

Crisis Scenarios

Scenario 1: Single Currency Collapse

Example: Egypt devalues EGP by 40% overnight

Response:

  • Emergency reserve (2%) deploys to cover shortfall
  • Temporarily reduce EGP weight from 11% → 8%
  • Distribute loss across all ACBU holders (~0.3% impact)
  • Communicate transparently to users
  • Quarterly rebalance adjusts weight permanently

User Impact:

  • 1,000 ACBU before: ~$854
  • 1,000 ACBU after: ~$851 (-0.3%)
  • Much better than holding 100% EGP (-40%)

Scenario 2: Mass Withdrawal Event

Example: 30% of ACBU redeemed in 48 hours

Response:

  • Use operational buffer (3%)
  • Activate credit lines with fintech partners
  • Implement withdrawal queuing (24-48hr delay)
  • Maintain proportional reserves throughout
  • Communicate status via dashboard

Circuit Breakers:

  • If withdrawals > 20% daily: 24hr delay on new withdrawals
  • If reserves < 102%: Pause new minting until replenished
  • Never compromise the 1:1 backing ratio

Scenario 3: Regional Currency Crisis

Example: 3 East African currencies weaken simultaneously

Response:

  • Diversification benefit shows value
  • North/West/South African currencies buffer impact
  • Total ACBU impact: ~5-8% (vs 20%+ single currency)
  • Continue normal operations
  • Market validates basket approach

Related Documents: