neo-devpack-solidity 0.22.0

Production-focused Solidity-to-NeoVM compilation system
Documentation 
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---
title: "Standards and Contracts"
description: "Standards and Contracts section index."
---

# Standards and Contracts

The devpack provides complete implementations of Neo N3 token standards — NEP-17 (fungible tokens), NEP-11 (non-fungible tokens), and NEP-24 (royalty metadata) — plus reusable lifecycle/callback interfaces for NEP-22/26/27/29/30/31. The compiler auto-detects standard compliance and populates the manifest's `supportedstandards` array.

For a compact ERC/EIP to Neo reader guide, see
[Standards Mapping](/mapping/standards).

## Sections

| Section |
| --- |
| [Supported Standards](/additional-material/neo-standards/supported-standards) |
| [Ethereum to Neo Standard Mapping](/additional-material/neo-standards/ethereum-to-neo-standard-mapping) |
| [NEP-17: Fungible Tokens](/additional-material/neo-standards/nep-17-fungible-tokens) |
| [NEP-11: Non-Fungible Tokens](/additional-material/neo-standards/nep-11-non-fungible-tokens) |
| [NEP-24: Royalty Standard](/additional-material/neo-standards/nep-24-royalty-standard) |
| [Standards Auto-Detection](/additional-material/neo-standards/standards-auto-detection) |
| [Interface Detection: EIP-165 vs Manifest](/additional-material/neo-standards/interface-detection-eip-165-vs-manifest) |
| [Compiler Diagnostics for Standards](/additional-material/neo-standards/compiler-diagnostics-for-standards) |
| [Testing Standards Compliance](/additional-material/neo-standards/testing-standards-compliance) |
| [See Also](/additional-material/neo-standards/see-also) |