# Environments

### CC3 Testnet - Recommended

<table data-header-hidden><thead><tr><th width="265.0001220703125">Resource</th><th width="483">Specification</th></tr></thead><tbody><tr><td>Please refer to cc3 testnet documentation</td><td><a href="https://docs.creditcoin.org/environments/testnet">https://docs.creditcoin.org/environments/testnet</a></td></tr><tr><td>Chain key (Sepolia)</td><td>1</td></tr><tr><td>Attestors Dashboard</td><td><a href="https://dashboard.cc3-testnet.creditcoin.network/">https://dashboard.cc3-testnet.creditcoin.network/</a></td></tr><tr><td>USC SDK js</td><td><a href="
https://www.npmjs.com/package/@gluwa/usc-sdk">
<br>https://www.npmjs.com/package/@gluwa/usc-sdk</a></td></tr><tr><td>Proof generator api</td><td><p><a href="https://prover.cc3-testnet.creditcoin.network/

or
[https://proof-gen-api.cc3-testnet.creditcoin.network/">https://prover.cc3-testnet.creditcoin.network/](https://proof-gen-api.cc3-testnet.creditcoin.network/">https://prover.cc3-testnet.creditcoin.network/)</a></p><p>or\<a href="<https://prover.cc3-testnet.creditcoin.network/>

or
[https://proof-gen-api.cc3-testnet.creditcoin.network/">](https://proof-gen-api.cc3-testnet.creditcoin.network/">) <br><https://proof-gen-api.cc3-testnet.creditcoin.network/></a></p></td></tr><tr><td>Precompile</td><td><a href="https://creditcoin-testnet.blockscout.com/address/0x0000000000000000000000000000000000000FD2?tab=contract"><https://creditcoin-testnet.blockscout.com/address/0x0000000000000000000000000000000000000FD2?tab=contract></a></td></tr><tr><td>For more cc3 testnet blockchain values</td><td><a href="https://docs.creditcoin.org/environments/testnet#connecting-to-testnet"><https://docs.creditcoin.org/environments/testnet#connecting-to-testnet></a></td></tr></tbody></table>

### USC Testnet v2 - Deprecated on 2026-05-27

<table data-header-hidden><thead><tr><th>Resource</th><th width="483">Specification</th></tr></thead><tbody><tr><td>Chain key (Sepolia)</td><td>1</td></tr><tr><td>Blockscout (EVM Explorer)</td><td><a href="https://explorer.usc-testnet2.creditcoin.network/">Creditcoin3 USC Testnet blockchain explorer | Blockscout</a></td></tr><tr><td>PolkadotJS Apps</td><td><a href="https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.usc-testnet2.creditcoin.network%2Fws#/explorer">Polkadot/Substrate Portal</a><br>or Select <code>Development</code> > <code>Custom</code> > and <br>type in <code>wss://rpc.usc-testnet2.creditcoin.network/ws</code> </td></tr><tr><td>Attestors Dashboard</td><td><a href="https://dashboard.usc-testnet2.creditcoin.network/ ">https://dashboard.usc-testnet2.creditcoin.network/ </a></td></tr><tr><td>RPC</td><td><code>https://rpc.usc-testnet2.creditcoin.network</code></td></tr><tr><td>EVM ChainId</td><td>102036</td></tr><tr><td>Min Join Pool Bond</td><td>0</td></tr><tr><td>Min Solo Nominator Bond</td><td>19500 tCTC</td></tr><tr><td>Min Pool Creation Bond</td><td>19500 tCTC</td></tr><tr><td>Discord Faucet Link</td><td><a href="https://discord.com/channels/762302877518528522/1463257679827828962">Faucet channel</a></td></tr></tbody></table>


---

# 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://docs.creditcoin.org/usc/quickstart/environments.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.