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What is Arbitrum Crypto? A Complete Guide
What is Arbitrum Crypto? A Complete Guide
Dernière modification :
24/10/2026

What is Arbitrum Crypto? A Complete Guide

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In the ever-changing world of decentralized finance (DeFi), new solutions are emerging to meet the scalability, cost, and performance challenges that blockchains face. One of these popular solutions is Arbitrum, an Ethereum blockchain scaling platform that promises to revolutionize the cryptocurrency landscape. In this article, we dive into the underlying mechanisms of Arbitrum, its benefits, and its impact on the crypto ecosystem.

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‍What is Arbitrum crypto?


Arbitrum is a layer 2 technology built on Ethereum, designed to dramatically improve blockchain performance while reducing transaction costs. Concretely, Arbitrum offers a scaling solution by moving part of Ethereum transactions off the main chain to a secondary layer, while maintaining security and decentralization.‍

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How does Arbitrum work?


Arbitrum uses a technique called rollups, which consists of aggregating a large number of transactions off chain and then validating them on the main blockchain. This approach makes it possible to achieve high levels of scalability while maintaining security thanks to the guarantee of the underlying Ethereum blockchain.‍

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Advantages of Arbitrum

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  1. Scalability : By moving most transactions off the main blockchain, Arbitrum makes it possible to significantly increase the throughput of the Ethereum blockchain, thus providing a better user experience and opening the way to new use cases.
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  2. Low transaction costs : By reducing the load on the main blockchain, Arbitrum reduces transaction fees, making it more affordable for users and developers.
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  3. EVM compatibility : Arbitrum is compatible with the Ethereum Virtual Machine (EVM), which means developers can deploy existing smart contracts and decentralized applications (DApps) on the platform without having to make significant changes.
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  4. security : Thanks to its rollup-based architecture and the guarantee of the Ethereum blockchain, Arbitrum offers a high level of security for users and funds deployed on the platform.‍
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Impact on the crypto ecosystem


The introduction of Arbitrum has the potential to radically transform the crypto ecosystem. By reducing transaction fees and improving scalability, Arbitrum is paving the way for new decentralized applications, games, financial markets, and much more. Additionally, by building on Ethereum's existing infrastructure, Arbitrum benefits from the vast community and widespread adoption of the blockchain, which strengthens its position in the market.

Paying on Arbitrum with Lyzi

Arbitrum One is one of the networks accepted directly by Lyzi. From your wallet, you can pay at equipped merchants in USDC, EURC, ETH or WBTC on Arbitrum One, with low network fees and fast confirmation.

  • The merchant displays the payment QR code on their terminal
  • You scan the QR code from your wallet (MetaMask, Rabby, Trust Wallet…)
  • You choose the Arbitrum One network and the asset to use
  • You confirm: the merchant is settled in euros, with no exposure to volatility

What about the ARB token? It is not accepted directly. You can exchange it for USDC or EURC on Arbitrum through the Lyzi swap, a simplified, multi-chain decentralized finance (DeFi) tool, used from your wallet and outside the regulated payment flow, then pay in stablecoin. For an overview, read our complete guide to paying with crypto.


Conclusion


Arbitrum Crypto represents an important step in the evolution of blockchain technology. By offering an efficient and secure scaling solution for Ethereum, Arbitrum opens up new possibilities for the mass adoption of decentralized applications and financial services. With its benefits in terms of scalability, costs, and security, Arbitrum promises to play a central role in shaping the future of decentralized finance.

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