Stablecoin System

Functionality Description

The stablecoin system is the value infrastructure of IOST 3.0, providing a stable digital currency pegged 1:1 to the US dollar. It serves as a value anchor, transaction medium, and settlement unit for the entire ecosystem, while also acting as a bridge for PB-USD maturity conversions.

Core Components

1. Minting and Burning Engine

   • Function: Manages the complete lifecycle of stablecoin creation and redemption
   • Technical Features: Bi-directional minting mechanism, precise supply control
   • Innovation Points: Smart supply adjustment algorithm, maintaining market stability
   • Application Scenarios: USDT conversion, PB-USD maturity redemption

2. Anchoring Mechanism

   • Function: Ensures PB-USD maintains a 1:1 price relationship with the US dollar
   • Technical Features: Multi-level price stability system, market feedback regulation
   • Innovation Points: Elastic reserve strategy, resisting market fluctuations
   • Application Scenarios: Stable value storage, reliable transaction medium

3. Conversion Bridge

   • Function: Connects PB-USD and stablecoin, enabling bond futures maturity conversion
   • Technical Features: Atomic operation, secure state transition
   • Innovation Points: Seamless exchange experience, zero-risk conversion
   • Application Scenarios: Bond maturity management, liquidity planning

Technical Highlights

1. Multi-Level Price Stability

   • Combination of reserve mechanisms and algorithmic adjustments
   • Market feedback loop system
   • Emergency protection mechanisms for extreme situations

2. Smart Reserve Management

   • Optimized reserve asset allocation
   • Dynamic adjustment of reserve ratios
   • Risk diversification and yield optimization

3. Efficient Transaction and Settlement

   • Fast transaction confirmation
   • Low-cost transfer fees
   • Cross-platform compatibility

4. Security and Compliance Design

   • Multiple audit mechanisms
   • Compliance report generation
   • Transparent reserve proof

Key Interfaces

• mintStable() - Mints stablecoin using USDT
• burnStable() - Burns stablecoin to redeem USDT
• exchangeRate() - Returns current stablecoin/USDT exchange rate
• getReserveInfo() - Gets reserve status information
• getMarketMetrics() - Gets market indicator data