The Celer network bridge cBridge enables users to transfer supported tokens over various Layer 1 networks. For example Ethereum, Binance Smart Chain, Heco and others. In addition, various Layer 2 scaling solutions such as Optimistic Rollup, Arbitrum and PoS side chains such as Polygon.
cBridge offers fast and inexpensive transactions. The bridge currently supports the transfer of liquidity to the same address between different chains. The platform has planned to introduce cross-chain transmission between different addresses in its future versions.
How cBridge works
cBridge consists of several relay nodes that are responsible for maintaining liquidity in the bridge. These nodes contain ample liquidity in the supporting chains that help ensure a smooth transfer of liquidity across different chains.
For example, when a user initiates a token transfer from chain A to chain B, the assets are sent to the relay node on chain A first. Then the relay node transfers an equivalent amount of tokens to chain B, as it also has the liquidity on target chain B. After that, the bridge uses a hashed time lock contract that protects the bridge transaction. It guarantees the users the security of the means even in the event of malicious behavior on the part of the relay node.
Currently, the network gateway server automatically selects the relay node. And it depends on the past success rate of the relay, the transaction fee charged, and the number of relay transfers made by the relay node. In the future, the platform plans to provide manual selection of relay nodes, allowing users to review the list of online relay nodes and choose from among them.
cBridge supported network
The cBridge currently allows users to connect and transfer tokens to the following networks: Ethereum, Binance Smart Chain, Polygon (Matic), xDAI and others. You can see the full list here:
cbridge Supported token
The bridge currently allows you to transfer the following tokens:
Transfer from Ethereum to Avalanche
To access the cBridge, users need to connect to their Metamask wallet. The cBridge is currently in the beta phase. So be careful when plugging in and using your wallet.
Step 1: connect the wallet
As you can see on the following screenshot, the wallet is connected and the network is selected as Ethereum.
In order to use the bridge, we have some DAI tokens in our Ethereum network (Metamask Wallet) that we would like to transfer to the Avalanche network. You can use any of the above tokens to transfer between any of the supported networks.
First, you need to select the source and destination networks. Now select the token and enter the amount you want to transfer. The application shows you the number of tokens that you will receive after deducting the network fee in the destination network. This fee is passed to the relay node to process the transaction.
Step 2: transfer money
Enter the details and click that Transfer Button.
The application will ask you to approve the token before initiating the cross-chain transaction. As soon as you have given your consent, a metamask transaction is triggered which you have to confirm.
Note that the approval activity of a given token is a one-time activity for a given network. You don’t have to approve the same token again on the same network.
Next, you will be asked to submit the transfer request. This triggers another metamask transaction that you have to confirm.
You will now see a window with a message that your transaction has been submitted and is waiting for the relay node to respond with the maximum waiting time. Once the relay node responds to forward the transfer of tokens to your wallet on the Avalanche network, you will also need to release the funds on your part.
Hit the Release funds Button. It will trigger a metamask transaction, confirm this. Wait a few minutes for the relay node to process the token transfer.
You will receive a message for a successful transaction through the relay node. You can now check your token balance in the destination network.
Step 3: Add DAI to the avalanche network
Users have to manually add the Avalanche network details in their metamask wallet to see the token. To add that, go to Settings-> Network-> Add Network, and enter the following information.
To view the token balance (in this case, DAI in Avalanche), you can copy the token contract address from this link and add it to the custom token contract address.
The desired token balance is now reflected in the target network.
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source https://www.bisayanews.com/2021/09/30/how-to-transfer-tokens-from-ethereum-to-the-avalanche-network-cryptocurrency-news/
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