![]() They are purely peer-to-peer interaction. If you are interacting with a non-ConsenSys, non-MetaMask third party, seek technical assistance from them first unless you are sure that what you're experiencing is a problem with MetaMask.Īdditionally, some popular decentralized exchanges and dapps are, as mentioned, protocols - that is, they are smart contracts, software programs that live on the Ethereum blockchain and do not have any centralized authority who runs them the way a traditional website or service is run. That does not mean that MetaMask offers technical support for all of those products and protocols. ![]() That means that many other networks and dapps have, and will, use MetaMask as the link between their dapp and you, the user. MetaMask is a powerful tool that is open to the world to build upon. Be aware of the limitations of technical support.This means you probably have to use a bridge to move assets from one chain or another.You may have the same Ethereum addresses on all networks, but your assets and transactions are specific to each network, unless the custom network provider allows you to move funds in to and out of it. Although a custom network may be Ethereum-compatible, they are not the same as the Ethereum Mainnet.If you attempt to send cryptoassets directly from one network or chain to another, this will most likely result in permanent and irreversible asset loss.NEVER send tokens directly from one network to another.Make sure you trust the network operator and any Ethereum address you send funds to. You are responsible for understanding how any cross-network transactions or deposits work. MetaMask cannot track transactions between networks.Always use established bridges or portals to move tokens between networks.When a website asks you to add a custom network, how do you know that you can trust the information? We have some recommendations in our verification guide. Always verify custom network information.Find the network on to add it to MetaMask automatically. You can also add custom networks to MetaMask manually using a few other methods: see our instructions here.Ensure accurate and correct custom network information.A malicious network provider can lie about the state of the blockchain, withhold transactions, and record your network activity and IP address. Make sure you trust the network provider.Try to understand the risks before moving significant value to a custom network. cheaper and faster transactions, custom networks usually have different security and reliability guarantees than mainnet. We can't hope to capture all the nuances of dealing with every instance of every sidechain the following are general guidelines. The present article is written to be a non-definitive guide to best practices when dealing with EVM-compatible chains. ![]() That said, there are some significant, and common, pitfalls when dealing with sidechains that you want to avoid. MetaMask has been, and continues to be, a crucial linchpin allowing users to move more or less seamlessly between networks. There are many prominent examples, and as Ethereum scales, they will no doubt grow and evolve. It's completely free, available in multiple languages, and includes useful tools such as simulations to help you find your feet with MetaMask.Īs the Ethereum ecosystem grows, a very popular option for building new technologies is to build a custom network, or a sidechain - in other words, another blockchain or network that is compatible with Ethereum - and then allow users to transfer tokens, or value of some kind, between the networks. Head to MetaMask Learn for a straightforward learning experience designed specifically for newcomers to web3.
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