> For the complete documentation index, see [llms.txt](https://docs.creditcoin.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.creditcoin.org/attestcoin-protocol/guided-tutorials.md).

# Guided Tutorials

{% hint style="danger" %}
Please note that all information and code snippets provided in this section are for educational purposes only and not to be directly deployed in production.
{% endhint %}

The following guide is designed to help you get hands-on with the Attestcoin Protocol, walking you step-by-step from your very first bridge transaction to more advanced custom contract bridging.

Each tutorial builds on the previous one, giving you both the *theoretical understanding* and *practical experience* you’ll need to successfully interact with the Attestcoin Protocol.

**Modules:**

1. [​Introduction to Attestation Protocol](/attestcoin-protocol/guided-tutorials.md#introduction-to-creditcoin-usc)​
2. [​Attestcoin Tutorial 1: Hello Bridge](/attestcoin-protocol/guided-tutorials.md#creditcoin-usc-tutorial-1-hello-bridge)​
3. ​[Attestcoin Tutorial 2: Custom Contract Bridging](/attestcoin-protocol/guided-tutorials.md#creditcoin-usc-tutorial-2-custom-contracts)​
4. ​[Attestcoin Tutorial 3: Bridge Off-chain Worker](/attestcoin-protocol/guided-tutorials.md#creditcoin-usc-tutorial-3-bridge-off-chain-worker)​
5. [Attestcoin Tutorial 4: Cross-Chain Loan dApp](/attestcoin-protocol/guided-tutorials.md#creditcoin-usc-tutorial-4-cross-chain-loan-dapp)

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To help you follow each module, below there are companion walkthrough videos, if you have trouble by yourself or you'd prefer a more guided approach, please use them to your advantage!
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### **Introduction to the Attestcoin Protocol** <a href="#introduction-to-creditcoin-usc" id="introduction-to-creditcoin-usc"></a>

Repository with tutorials: [https://github.com/gluwa/usc-testnet-bridge-examples](https://github.com/gluwa/usc-testnet-bridge-examples/tree/main/hello-bridge)

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Please note that the videos use the original term, Universal Smart Contracts (USC). This has since been renamed to Attestcoin Protocol. All else remains accurate.
{% endhint %}

{% file src="/files/cVI6IlwYGJb1SyIYOI3I" %}

#### Attestcoin Protocol Tutorial 1: Hello Bridge <a href="#creditcoin-usc-tutorial-1-hello-bridge" id="creditcoin-usc-tutorial-1-hello-bridge"></a>

{% file src="/files/i8jA6CTNj79dZX9kOASn" %}

#### Attestcoin Protocol Tutorial 2: Custom Contracts Bridging <a href="#creditcoin-usc-tutorial-2-custom-contracts" id="creditcoin-usc-tutorial-2-custom-contracts"></a>

{% file src="/files/5tqLVNCNijBpjYe7Q2Ql" %}

#### Attestcoin Protocol Tutorial 3: Bridge Off-chain Worker <a href="#creditcoin-usc-tutorial-3-bridge-off-chain-worker" id="creditcoin-usc-tutorial-3-bridge-off-chain-worker"></a>

{% file src="/files/Qji52PmEZEnSnyd2m4dV" %}

#### Attestcoin Protocol Tutorial 4: Cross-Chain Loan dApp <a href="#creditcoin-usc-tutorial-4-cross-chain-loan-dapp" id="creditcoin-usc-tutorial-4-cross-chain-loan-dapp"></a>

{% file src="/files/CUNIHiukqHTU1KsLfLsU" %}