![]() ![]() Once it’s done, you’ll see how much of the token you’ll receive on the destination network, and your quote is listed under ‘Recommended Bridge’ below. If you're bridging to the same token: When you input a token and an amount to send, the aggregator will start to find quotes. Pick the network to which you want to bridge the tokens under ‘To this network’. ![]() Whether you hold that token in your wallet.Whether we currently support that token.The category each token belongs to depends on: The drop-down list in this field is divided into tokens that are ‘Able to bridge’ and those that you’re ‘Unable to bridge’. Input the details of the token you want to bridge under ‘You send’.Select the network from which you want to move tokens under the ‘From this network’ field.Make sure your wallet is connected and that you’ve selected the account that has the tokens you want to bridge.If you want to choose an alternative route, you can view and select other quotes too.Īdditionally, although we request your bridge transfer through an aggregator, we’re also only using the aggregators to access a select list of bridges that meet our requirements for trust minimization. Once we're finished trawling the aggregators, you’ll be presented with a recommended quote, as determined by our algorithm. The bridge takes the data you input and runs it through existing bridge aggregators. You can also hit the 'Bridge' button from the homepage of MetaMask Extension. You can find the Bridge page in MetaMask Portfolio, available at /bridge. The bridge honors this request by minting or sending the tokens to the account you specified on the destination network. The deposit may be validated in a few different ways depending on the bridge, but this process essentially buys you the right to have your target address credited with the agreed amount of tokens (that is: the token you're bridging to). ![]() The bridge will prompt you to sign a transaction to send the tokens to their address (for tokens other than ETH, this assumes you've already signed an approval granting it access to your tokens). When you request to move Ethereum from Mainnet to Polygon, for example, the first thing the bridge will need to do is have you deposit the ETH to the bridge. Though the exact system varies, each bridge has a mechanism to validate your deposit on one network and issue equivalent tokens on another network. To dive a bit deeper:Īt their most basic level, bridges are platforms with contracts on the chains you're transferring to and from. You can use a bridge to transfer some ETH, USDC, or other tokens from Ethereum to Polygon - retaining their value - and start to use them with dapps on Polygon. For example, perhaps you want to use a dapp or a game on the Polygon network, but most of your funds are on Ethereum mainnet. It’s analogous to visiting travel sites that find you the cheapest flight from numerous airlines, or - slightly closer to home - using MetaMask Swaps to find you the cheapest token swap quote from decentralized exchanges.Ī bridge allows you to transfer your tokens between different blockchain networks. Think of it as an aggregator of aggregators, or meta-aggregator. From here, you can pick the best quote for you and move your tokens to the network you need. ![]() The Bridge feature in MetaMask Portfolio does exactly what it says on the tin: it pulls together bridging quotes for you to choose from. One option is to buy them through our Buy feature. Want to bridge to a network you've never used before? Read this first!īefore you move your funds onto another network, remember that you'll need native tokens on that network to use them further. ![]()
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