> For the complete documentation index, see [llms.txt](https://plabs.gitbook.io/plabs-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://plabs.gitbook.io/plabs-docs/privacy-core/perc20/overview.md).

# Overview

**pERC20** is the **native private fungible token** asset protocol: Orchard notes plus ERC-20-like product semantics. Private assets created here can be used by higher-level applications (pSWAP, pDEX, pX402) documented outside this book.

## One line

> Fungible tokens that are **private from creation**, with an ERC-20-like API and different openness.

## Contract structure

```solidity
contract PERC20 is OrchardVerifier, IPERC20
```

| Inheritance       | Provides                                      |
| ----------------- | --------------------------------------------- |
| `OrchardVerifier` | Privacy Core state machine                    |
| `IPERC20`         | Metadata, `totalSupply`, `mint/burn/transfer` |

## Privacy Core vs pERC20 delta

| Capability                | Privacy Core | pERC20 adds |
| ------------------------- | ------------ | ----------- |
| Note spend/create         | ✅            | —           |
| Groth16 + sigs + freeze   | ✅            | —           |
| `name/symbol/decimals`    | —            | ✅           |
| Public `totalSupply`      | —            | ✅           |
| Issuer-only `mint`        | —            | ✅           |
| Off-chain ERC-20-like API | —            | ✅ (wallet)  |

## Deployment

1. Deploy verifier + factory once per chain
2. `createPerc20(...)` → EIP-1167 clone (\~321K gas)
3. Issuer mints to shielded notes

→ [Issuance & deployment](/plabs-docs/privacy-core/perc20/issuance-and-deployment.md)

## Standard

| Item    | Value                                                  |
| ------- | ------------------------------------------------------ |
| ERC     | **8302** (submission) / 8289 (repo draft until synced) |
| Status  | Draft                                                  |
| ERCs PR | [#1817](https://github.com/ethereum/ERCs/pull/1817)    |

→ [ERC-8302 index](/plabs-docs/privacy-core/perc20/eip-8302.md) · [ERC-8289 (prior number)](/plabs-docs/privacy-core/perc20/eip-8289.md)

## Next

* [Interface & ERC-20 mapping](/plabs-docs/privacy-core/perc20/interface-and-erc20.md)


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