A modular layer refers to a specific architecture in blockchain design that separates different functions into distinct layers. This approach allows for greater flexibility and scalability in how transactions are processed and stored.Typically, a modular layer consists of several components. The base layer handles security and consensus, ensuring that transactions are validated and recorded reliably. Above this base layer, additional modules can be added to handle various features like smart contracts, scalability solutions, or data storage.This separation of functions means that developers can upgrade or modify one layer without affecting the others. It enables faster development cycles and allows networks to adapt to changing demands or integrate new technologies seamlessly.By employing a modular layer design, projects can maintain robust performance while also exploring innovative features, leading to a more versatile ecosystem overall. This can enhance user experience and attract a wider range of applications and use cases.