developers from different blockchain ecosystems to collaborate and build new platforms for the users.users to access new platforms and leverage the benefits of different chains.dapps to access the strengths of various blockchains – thus enhancing their capabilities (as protocols now have more design space for innovation).the cross-chain transfer of assets and information.This means they cannot natively communicate, and tokens cannot move freely between blockchains.īridges exist to connect blockchains, allowing the transfer of information and tokens between them. However, all blockchains develop in isolated environments and have different rules and consensus mechanisms. Alternatively, L1s like Solana and Avalanche are designed differently to enable higher throughput but at the cost of decentralization. For Ethereum to scale and keep up with demand, it has required rollups. Why do we need bridges?Īll blockchains have their limitations. In this case, Arbitrum has a native bridge (opens in a new tab) ↗ that can transfer ETH from Mainnet onto Arbitrum. Bridges make such a transaction possible. Like the currency exchange we made for EUR, we need a mechanism to move our ETH from Ethereum to Arbitrum. To exchange your USD for EUR you can use a currency exchange for a small fee.īut, what do you do if you want to make a similar exchange to use a different blockchain? Let's say you want to exchange ETH on Ethereum Mainnet for ETH on Arbitrum (opens in a new tab) ↗. You're from the USA and are planning a trip to Europe. Bridges facilitate communication between blockchains through the transfer of information and assets. Just as a physical bridge connects two physical locations, a blockchain bridge connects two blockchain ecosystems. Blockchain bridges work just like the bridges we know in the physical world.
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