# Onchain Finance

*[Documentation index](/llms.txt) · [Full index](/llms-full.txt)*

Build onchain finance applications on Sui. Learn about digital assets, wallet integration, tokenomics, and the DeepBook decentralized exchange.

- [Asset Custody](asset-custody/) — Learn more about custody of digital assets on Sui.
- [Closed-Loop Token](closed-loop-token/) — Closed-Loop tokens can only be used for a specific service or by authorized users.
- [Deepbook Margin](deepbook-margin/)
- [Deepbook Margin Sdk](deepbook-margin-sdk/)
- [Deepbook Predict](deepbook-predict/)
- [Deepbookv3](deepbookv3/)
- [Deepbookv3 Sdk](deepbookv3-sdk/)
- [Example Asset Patterns](examples-patterns/) — Reference these examples of common types of assets.
- [Fungible Tokens](fungible-tokens/) — Learn how to create and use fungible tokens on the Sui network.
- [Images](images/)
- [Kiosk](kiosk/) — Kiosk is a decentralized system for commerce applications on Sui. Kiosk apps are a way to extend the functionality of Sui Kiosk while keeping the core functionality intact.
- [Permissioned Asset Standard](pas/) — Learn how the Permissioned Asset Standard (PAS) enforces restricted asset movement on Sui through Accounts, Policies, and programmable approval logic.
- [Payment Intents](payment-intents) — Use programmable transaction blocks to compile multi-step payment workflows into a single atomic transaction.
- [Payment Kit Standard](payment-kit) — The Sui Payment Kit is a robust, open-source payment processing toolkit that provides secure payment verification, receipt management, and duplicate prevention for applications built on the Sui blockchain.
- [Payments](payments) — Accept payments, manage balances, and handle transaction fees on Sui.
- [NFTs](tokenized-assets/) — Learn how to design, build, and extend NFTs on Sui, including soulbound tokens, rental mechanics, and asset tokenization.
- [Types of Assets](types-of-assets) — Sui provides a variety of asset standards with different features for multiple usage patterns.