# Bridge

### **Superposition Mainnet Bridge** <a href="#mode-testnet-bridge" id="mode-testnet-bridge"></a>

There are a variety of methods to bridge in and out of Superposition!

Canonnically, Superpoistion uses [LayerZero](https://docs.fluidity.money/) and [Stargate](https://stargate.finance/) for USDC and bridging purposes, but here is a comprehensive list of ways to bridge into our chain!

* [Superposition Jump](https://jump.superposition.so)
* [Stargate](https://stargate.finance/)
* [Jumper](https://docs.fluidity.money/)
* [Superbridge](https://bridge.superposition.so)
* [Gas.Zip](https://www.gas.zip/)
* [Orbiter](https://www.orbiter.finance/bridge/Base/Superposition?token=ETH)
* [Abitrum Bridge](https://bridge.arbitrum.io/?destinationChain=superposition\&sourceChain=arbitrum-one)

We also Support [Li.Fi](https://docs.li.fi)! So feel free to build products with Superposition in mind.

**Superposition Testnet Bridge**

You can use the Superposition Testnet bridge to deposit and withdraw SPN, USDC and wETH from Arbitrum Sepolia to the Superposition Testnet.&#x20;

Follow [Testnet bridging tutorial](/archived/bridging-to-superposition-testnet.md) for more information

<figure><img src="/files/W8uf3NgRITcZUInypfMC" alt="" width="375"><figcaption></figcaption></figure>

{% hint style="info" %}
The Superposition Testnet bridge currently supports the following Arbitrum Sepolia Assets:

* SPN
  * Contract Addresses:  [ARB Sepolia](https://sepolia.arbiscan.io/address/0x2F26b901590801476C5bAC1dEbc4E42379127A44)
  * [Faucet](https://faucet.superposition.so)
* USDC
  * Contract Addresses: [SPN](https://testnet-explorer.superposition.so/token/0x6437fdc89cED41941b97A9f1f8992D88718C81c5) | [ARB Sepolia](https://sepolia.arbiscan.io/token/0x2f26b901590801476c5bac1debc4e42379127a44?a=0x7a08EaA93C05Abd6b86bB09B0f565D6fC499Ee35)
  * [Faucet](https://faucet.circle.com/)
* WETH
  * Contract Addresses: [SPN](https://testnet-explorer.superposition.so/token/0xde104342B32BCa03ec995f999181f7Cf1fFc04d7) | [ARB Sepolia](https://arbiscan.io/token/0x82af49447d8a07e3bd95bd0d56f35241523fbab1)
  * [ETH Faucet](https://faucet.quicknode.com/arbitrum)
    {% endhint %}


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