> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3.fun/llms.txt
> Use this file to discover all available pages before exploring further.

# Bridge to B3

There are several ways to bridge over to B3 & our appchains.

![Bridge to B3](/images/b3-banner.png)

**[Basement Bridge](https://basement.fun/bridge)**

![Basement](/images/bsmnt-logo.svg)

    Cross-chain bridge with instant deposits and withdrawals

  **[Relay Bridge](https://relay.link/bridge/base?fromChainId=8453&fromCurrency=0xb3b32f9f8827d4634fe7d973fa1034ec9fddb3b3&toCurrency=0xb3b32f9f8827d4634fe7d973fa1034ec9fddb3b3)**

![Relay](/images/relay-logo.avif)

    Bridge from any EVM chain & Solana to B3

  **[Native Bridge](#native-bridge)**

OP Canonical Bridge with 7-day withdrawal period

  **[Bridge Contract](#bridge-contract)**

Direct contract interaction for advanced users

## Cross Chain Bridge

Instant Deposits
  Instant Withdrawals
  Low Fee

Connect your wallet and bridge from major EVM networks in & out of B3.

**Go to the Basement Bridge**

Visit [basement.fun/bridge](https://basement.fun/bridge) to access the bridge interface.

**Connect your Wallet**

Connect your wallet using MetaMask, Coinbase Wallet, or other supported wallets.

**Select network & funds**

Choose the source network and the amount of funds you want to bridge to B3.

**Confirm transaction**

Confirm the transaction and you'll receive bridged funds in under a minute.

  Your funds will appear in your B3 wallet within 60 seconds.

**[Use Basement Bridge](https://basement.fun)**

![Basement](/images/bsmnt-logo.svg)

  Start bridging your assets to B3 with instant deposits and withdrawals

## Instant Bridge

Instant Deposits
  Instant Withdrawals
  Low Fee

Easily bridge from any EVM chain & Solana to B3 with Relay.

**Go to the Relay Bridge**

Visit [relay.link](https://relay.link) to access the Relay bridge interface.

**Connect your Wallet**

Connect your wallet to start the bridging process.

**Enter bridge amount**

Enter the amount of ETH you want to bridge to B3.

**Confirm transaction**

Confirm the transaction and you'll receive bridged funds in under a minute.

  Relay supports bridging from multiple chains including Solana.

**[Use Relay Bridge](https://relay.link)**

![Relay](/images/relay-logo.avif)

  Bridge from any EVM chain and Solana to B3 instantly

## Native Bridge

Base to B3
  7-Day Withdrawals
  No Fees

Easily bridge from Base to B3 using the official OP Stack canonical bridge!

Withdrawals from B3 back to Base have a 7-day challenge period for security. Use third-party bridges for instant withdrawals.

**Visit the bridge**

Go to [bridge.b3.fun](https://bridge.b3.fun) to access the official bridge.

**Connect your Wallet**

Connect your wallet to the bridge interface.

**Choose direction**

Select whether you want to:
  - **Deposit**: Bring funds from Base → B3
  - **Withdraw**: Bridge back from B3 → Base

**Enter amount**

Enter the amount of ETH you want to bridge.

**Complete transaction**

Click "Deposit" and confirm the transaction in your wallet.

  Deposits to B3 are instant, but withdrawals take 7 days for the challenge period.

**[Use Official Bridge](https://bridge.b3.fun)**

Use the battle-tested OP Stack canonical bridge

## Native Transfer (Bridge Contract)

Instant Deposits
  7-Day Withdrawals
  No Fees

Send Base ETH through the bridge contract. Transfer **Base ETH** to the following bridge address on **Base Mainnet**:

This method is for advanced users only. Make sure you're sending from Base Mainnet to avoid losing funds.

```text Bridge Address
0x769547a723783FCA36BAaf1ECcf9dfdbF6d09F38
```

When you send ETH to this address from Base, it will automatically appear in your wallet on B3. This is a direct contract interaction method.

**How to use the bridge contract**

1. **Ensure you're on Base Mainnet** in your wallet
2. **Send ETH** to the bridge contract address above
3. **Wait for confirmation** - your funds will appear on B3 automatically
4. **Check your B3 wallet** - switch to B3 network to see your bridged ETH

Double-check you're on Base Mainnet before sending. Sending from other networks may result in lost funds.