pERC20 Protocol Documentation

Privacy Core — cryptographic primitives and private asset protocols (pERC20, Shield ERC20).

┌─────────────────────────────────────────────────────────────┐
│  Privacy Core                                               │
│  ┌─ Cryptographic layer ─────────────────────────────────┐  │
│  │ Orchard notes · Groth16 · state machine · freeze    │  │
│  └─────────────────────────────────────────────────────┘  │
│  ┌─ Asset protocols (note creation) ────────────────────┐  │
│  │ pERC20 (native private mint) · Shield ERC20 (public→private) │
│  └─────────────────────────────────────────────────────┘  │
└─────────────────────────────────────────────────────────────┘

Module map

Module	Questions it answers	Audience
Privacy Core · crypto	How are notes proved, stored, spent? Compliance freeze?	Crypto / contracts / audit
Privacy Core · assets	How do private assets get created? (mint, shield)	Issuers / integrators

Reading path

First time

1. Privacy Core overview
2. Orchard concepts
3. pERC20 overview

Issue or integrate

→ pERC20 interface & ERC-20 mapping
→ Quick start

Repository & services

• Reference impl: PERC20Labs/PERC20
• Off-chain: privacy-indexer, privacy-relayer, privacy-prover
• Repo map: Appendix · repository layout