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Arbitrum, created by [Offchain Labs](https://www.offchainlabs.com/careers?i=ourteam), uses optimistic rollup technology to significantly reduce the amount of on-chain activity while resolving a dispute interactively. The off-chain process is quickly narrowed down to a merit-based conclusion, allowing for trustless consensus, high throughput and low gas fees while benefiting from the proven security of Ethereum.

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依赖于 L2 的效率，开发人员可以轻松地进行扩展


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获得高吞吐量和可扩展性

通过全面的文档深入了解 Infura + Arbitrum 的构建。

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了解更多关于 Infura + Arbitrum 的内容

查看 [Arbitrum Bug 赏金计划](https://immunefi.com/bounty/arbitrum/)

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为 Arbitrum 项目解决问题，赚取赏金

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Scale at a fraction of the cost of Ethereum transactions

Arbitrum is a Layer 2 scaling solution and optimistic rollup. This ‘optimism’ means that only the minimum possible amount of transaction information is published to the Ethereum mainnet, increasing efficiency while maintaining security.

Build secure, scalable apps in minutes

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[Sign up](https://app.infura.io/register) for Infura or [log in](https://app.infura.io/login) to your account.

Join us

To get started all you have to do is add the new Arbitrum Network Add-on to your account. To do this, [login](https://app.infura.io/login) to your Infura account, go to your [Ethereum workspace/project list](https://infura.io/dashboard/ethereum) and click to upgrade your plan.

Get Started

To get test tokens for the Arbitrum testnet, you first need to use a [faucet to obtain Ethereum Goerli](https://moralis.io/arbitrum-goerli-faucet-get-arbitrum-testnet-eth-in-3-steps/) testnet ETH. Then you can [migrate those tokens to the Arbitrum Testnet using the Arbitrum bridge.](https://developer.offchainlabs.com/docs/public_testnet)

Test Tokens

Arbitrum rollup is a super-scalable, secure and low-cost L2 solution created by Offchain Labs with an endless palette of options and flexibility for developers.

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Low-cost, limitless scaling for Ethereum dapps

Here are some resources to help you along your way.