# CCIP Masterclass #4

Welcome to the forth module of CCIP Masterclass - The Creating Cross-Chain DeFi dApps With CCIP and USDC Edition. In this module we will explain how to transfer USDC token across blockchains and use it afterward in various DeFi dApps.

Previous Masterclasses are available at the following urls:

* [CCIP Masterclass #1 - Mastering Cross-Chain Development With Chainlink CCIP](https://cll-devrel.gitbook.io/chainlink-ccip/getting-started/chainlink-ccip)
* [CCIP Masterclass #2 - Cross-Chain Staking](https://cll-devrel.gitbook.io/ccip-masterclass-2/getting-started/ccip-masterclass-2)
* [CCIP Masterclass #3 - Cross-Chain NFTs on Arbitrum](https://cll-devrel.gitbook.io/ccip-masterclass-3/getting-started/ccip-masterclass-3)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://cll-devrel.gitbook.io/ccip-masterclass-4/getting-started/ccip-masterclass-4.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
