# Stablecoin  Tokenomics

## 4. Stablecoin & Tokenomics

### 4.1 Overview

Pinata Chain introduces a two-token system composed of:

1. **pUSD** – a fully-backed, on-chain stablecoin used for trading, pricing, and settlement.
2. **PIN** – the native gas token used for transactions, governance, staking, and AI execution fees.

This design separates **stability (pUSD)** from **network utility and growth (PIN)**, providing capital efficiency, user-friendly UX, and long-term sustainability.

***

### 4.2 pUSD: The On-Chain Stablecoin

#### What is pUSD?

**pUSD** is a USD-pegged stablecoin native to Pinata Chain, used as the standard unit for:

* Trading pAssets (e.g., pAAPL, pBTC)
* Quoting prices across the ecosystem
* Paying AI trading agent fees
* Participating in LPs, vaults, and DeFi protocols

#### How is it issued?

* Users bridge USDT/USDC via **pBridge**
* Smart contracts mint pUSD 1:1
* Redemption burns pUSD and releases original assets

#### Key Features:

* Fully backed by external stablecoins held in bridge contracts
* Transparent supply and burn tracking via Blockscout
* Anti-depegging mechanisms and circuit breakers
* Roadmap includes real-world fiat on-ramps (e.g., via bank APIs or partners)

***

### 4.3 PIN: Utility, Governance, and Incentives

#### Use Cases:

| Function            | Description                                                 |
| ------------------- | ----------------------------------------------------------- |
| **Gas Token**       | All transactions on Pinata Chain require PIN                |
| **Staking**         | Validators must stake PIN to secure consensus               |
| **Governance**      | Holders can vote on proposals, upgrades, treasury usage     |
| **AI Agent Access** | Discounted AI trading agent usage fees for PIN holders      |
| **Incentives**      | Liquidity mining, grants, and ecosystem rewards paid in PIN |

#### Emission & Supply

| Parameter                      | Value                                                |
| ------------------------------ | ---------------------------------------------------- |
| **Max Supply**                 | 210,000,000 PIN                                      |
| **Initial Circulating Supply** | 20,000,000 PIN                                       |
| **Emission Schedule**          | Linear decay over 4 years with halving every 2 years |
| **Burning Mechanism**          | Portion of AI Agent fees and gas burned periodically |

#### Distribution Breakdown:

| Category                          | Allocation | Vesting                                     |
| --------------------------------- | ---------- | ------------------------------------------- |
| Community & Ecosystem             | 40%        | Mining, liquidity, growth fund              |
| Team & Advisors                   | 20%        | 2-year cliff, 4-year vesting                |
| Investors & Strategic Partners    | 20%        | 12-month lock, 2-year linear vesting        |
| Treasury & DAO Reserve            | 15%        | Multi-sig controlled, subject to governance |
| Initial Liquidity & Market Making | 5%         | TGE + CEX/DEX support                       |

***

### 4.4 Economic Security Model

Pinata uses a layered tokenomic structure to ensure long-term sustainability:

* **Validator Alignment**: Validators stake PIN and are rewarded in PIN and pUSD
* **Fee Recirculation**: Gas and AI fees are partially burned, partially redistributed to validators and treasury
* **DAO Treasury Control**: DAO votes on emissions, grants, ecosystem incentives
* **Inflation Cap**: Minting beyond the max supply requires on-chain governance approval

***

### 4.5 Interactions Between pUSD and PIN

| Scenario               | Involves pUSD?                     | Involves PIN?          |
| ---------------------- | ---------------------------------- | ---------------------- |
| Buying pAssets         | ✅ Yes (used for pricing & minting) | ❌ No                   |
| Executing transactions | ❌ No                               | ✅ Yes (gas fees)       |
| Running AI Agents      | ✅ Yes (primary fee)                | ✅ Optional (discounts) |
| LP Farming & Vaults    | ✅ Yes                              | ✅ Yes                  |
| Governance Voting      | ❌ No                               | ✅ Yes                  |

***

### 4.6 Future Extensions

* **pUSD-based lending markets** (vaults with AI risk controls)
* **AI-governed dynamic fee models** based on network load
* **Rebasing or yield-bearing pUSD variants (e.g., pUSD+ or pUSDx)**
* **PIN liquid staking (stPIN)** for DeFi composability
* **Sustainable burn model** linked to AI usage volume

***

### Summary

The dual-token model of **pUSD** and **PIN** allows Pinata to separate financial stability from governance and growth utility. pUSD ensures predictable pricing and user-friendly DeFi interactions, while PIN secures the network and incentivizes aligned participation across validators, developers, and users.

Together, they form the foundation of a programmable, intelligent financial economy.


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