# Core Stability Framework

Astonic revolutionizes the creation and exchange of crypto assets pegged to various value references:

* Fiat currencies (e.g., USD, EUR)
* Commodity baskets (e.g., gold and oil combinations)
* Custom price indices (e.g., an index tracking renewable energy prices)

The protocol operates as an over-collateralized, decentralized, and transparent stable asset system, backed by a robust crypto reserve.

### Exchange Mechanism Explained

#### How It Works:

1. **Supply Expansion:**
   * **Users deposit collateral assets worth one reference unit** 
   * *Example: A user deposits $100 worth of $PLQ as collateral.*
   * **Receive one stable asset in return**
   * *Example: In exchange, the user receives 98 USD-pegged stablecoin (e.g., aUSD).*
   * **Reserve maintains collateralization**
   * *Example: The reserve ensures the $100 worth of $PLQ stays locked, maintaining over-collateralization to safeguard the stability of the $1 aUSD.*
2. **Supply Contraction:**
   * **Users send one stable asset**
   * *Example: A user sends back 1 USD-pegged stablecoin (e.g., $1 aUSD).*
   * **Receive equivalent collateral value**
   * *Example: In return, the user gets $1 worth of PLQ or other collateral assets, depending on the reserve.*
   * **System automatically adjusts supply**
   * *Example: The protocol burns the returned stablecoin, reducing the overall supply and maintaining the balance between assets and reserves.*

### Market Dynamics Example

Here’s how Astonic Dollar works to maintain its $1 peg:

#### When Price Is Above Peg ($1+):

* **Arbitrage opportunity arises:** If the market price of Astonic Dollar rises above $1 (e.g., $1.05), traders can take advantage. 
* **Purchase $1 worth of Planq/USDC:** Arbitrageurs buy $1 worth of Planq or USDC and deposit it into the system.
* **Exchange for $1 Astonic Dollar:** They mint 1 Astonic Dollar for $1 worth of collateral.
* **Sell Astonic Dollar at the higher market price:** The arbitrageurs sell the Astonic Dollar on the open market for $1.05, making a profit of $0.05.
* P**rice returns to $1:** As more Astonic Dollars enter the market, the increased supply pushes the price back down to $1.

#### When Price Is Below Peg ($1-):

* **Astonic Dollar is cheaper than $1:** If the market price drops below $1 (e.g., $0.95), traders see an opportunity to profit.
* **Purchase Astonic Dollar at the lower market price:** Arbitrageurs buy Astonic Dollars at $0.95.
* **Exchange for $1 worth of collateral:** They redeem 1 Astonic Dollar in the system for $1 worth of collateral (e.g., Planq or USDC).
* **Sell the collateral at market rate:** The arbitrageurs sell the collateral for $1, making a profit of $0.05.
* **Price stabilizes back to $1:** As Astonic Dollars are removed from circulation through redemption, the reduced supply helps the price rise back to $1.

This mechanism ensures that the Astonic Dollar remains stable around its $1 peg by incentivizing traders to balance supply and demand.