> ## Documentation Index
> Fetch the complete documentation index at: https://docs.starknet.io/llms.txt
> Use this file to discover all available pages before exploring further.

# STRK20 by Example

> Hands-on hub of runnable examples for integrating STRK20 private transfers

These docs explain **how Starknet Privacy works**. When you are ready to build,
[**STRK20 by Example**](https://strk20-by-example.org/) is the hands-on companion:
a hub of runnable examples for teams integrating STRK20 into their apps, built on
the open-source [starknet-privacy SDK](https://github.com/starkware-libs/starknet-privacy).

## What you'll find

<CardGroup cols={2}>
  <Card title="SDK examples" icon="cube" href="https://strk20-by-example.org/sdk/getting-started">
    Setup, registration, deposits, transfers, withdrawals, note discovery,
    proving configuration, and multi-operation batches
  </Card>

  <Card title="DeFi helpers" icon="arrows-rotate" href="https://strk20-by-example.org/helpers/privacy-invoke">
    Privacy Invoke, Vesu lending, swaps, and escrow — working open-note
    helper integrations
  </Card>

  <Card title="Wallet integration" icon="wallet" href="https://strk20-by-example.org/starknet-wallet-api/overview">
    Starknet Wallet API and starknet.js patterns for privacy-enabled dApps
  </Card>

  <Card title="Example app" icon="rocket" href="https://strk20-by-example.org/app/anonymous-airdrop">
    An end-to-end anonymous airdrop application combining the pieces
  </Card>
</CardGroup>

## How it relates to these docs

| You want to...                                                | Go to                                                                       |
| ------------------------------------------------------------- | --------------------------------------------------------------------------- |
| Understand the protocol (notes, channels, proofs, compliance) | These docs — start with the [overview](/build/starknet-privacy/overview)    |
| Integrate STRK20 into your app with working code              | [STRK20 by Example](https://strk20-by-example.org/)                         |
| Read the SDK and proving stack source                         | [starknet-privacy repo](https://github.com/starkware-libs/starknet-privacy) |