What is Arbitrum? How does it make the dApp better ?

Arbitrum is often utilized with the Ethereum blockchain for security purposes primarily due to its ability to enhance scalability and reduce transaction costs without compromising security.

This significantly reduces the burden on the Ethereum network, resulting in faster and more cost-effective transactions. Importantly, Arbitrum maintains a high level of security by periodically committing the aggregated data back to the Ethereum mainnet, ensuring that the integrity and immutability of transactions are preserved. Additionally, Arbitrum benefits from Ethereum's robust security model, leveraging its decentralized consensus mechanism and cryptographic techniques to protect against various security threats, including double-spending and tampering.