$ARB Arbitrum is not a cryptocurrency in the traditional sense, like Bitcoin or Ethereum. Rather, it is a platform that improves the performance of the Ethereum network by providing a scalability solution that allows handling a greater number of transactions at a much lower cost. The key to Arbitrum is its optimistic rollup technology, which is part of a broader group of scalability solutions that seek to expand the capabilities of existing blockchains without requiring a complete overhaul of their protocol.

Arbitrum improves its performance during 2025