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**What is a Modular Blockchain?**
A modular blockchain refers to a decentralized network architecture where distinct layers or modules work together to achieve scalability, security, and decentralization. In traditional blockchains, the core functions of consensus, data availability, execution, and settlement are integrated into one monolithic chain. However, a modular blockchain separates these components, enabling different networks to handle specific roles or tasks.
In recent years, there has been an increasing interest in modular blockchain designs as it offers flexibility, scalability, and efficiency. The concept involves having multiple layers that communicate with each other seamlessly. This approach allows developers to create custom solutions for various use cases while maintaining the benefits of decentralization.
Celestia is the first mainstream modular blockchain network, which launched its mainnet in October 2023. Other notable projects like Ethereum’s Optimism and Arbitrum also use rollup technology to achieve scalability by offloading computation-intensive tasks.
Source: https://www.cryptoninjas.net/crypto/what-is-a-modular-blockchain/
