Arbitrum Bridge Tutorial - TrustAI

Introducing Arbitrum. 🌉. Arbitrum Bridge Tutorial

Tokens can be bridged to Arbitrum on a variety of platforms. In this guide, we will explain how to use the official bridge and random multi-chain bridge. Additionally, below you will find centralized exchanges that provide Arbitrum transfers:

Official Arbitrum bridge (Ethereum to Arbitrum) Go to https://bridge.arbitrum.io/. Connect your wallet (Make sure you are on Ethereum main-net) The screen below will appear:

1. Enter the amount of ETH you want to add on Arbitrum and click “Move funds to Arbitrum One.”

2. The next step is to confirm the transaction in your wallet. Arbitrum's lower gas fees will apply despite this transaction being executed on layer 1.

3. Once you're happy with the amount, tap “Confirm.”

4. On the next page, the transaction will appear as "pending".

5. ETH is now available on Arbitrum and you can send and receive it. Random multi-chain bridges (Multi-chain to Arbitrum) For the purposes of this guide, we will use the LI.FI and Synapse protocol bridges since they offer a wide range of options for bridging funds from other networks to Arbitrum.

6. Select the network and token you wish to bridge, and then choose Arbitrum One and ETH (since GAS on Arbitrum is payed in ETH). Enter the amount you want to bridge and click 'Review swap'.

Within a few minutes of confirming the transaction, your funds should appear on Arbitrum

Synapse protocol

(Bear in mind that synapse bridge doesn't allow bridging ETH from some networks. However, it should send an additional 0.0030 ETH with every transaction which should be more than enough to swap any token for more ETH on Arbitrum. ( A value of 0.0030 ETH + bridging fee will be deducted from the token value you are sending) For example, sending 50 BUSD will result in only receiving approximately 43 USDC, but you will also receive 0.0030 ETH) [Note: Guide below was taken from Synapse protocol's official documents]