How Modular Data Availability Layers Enable Cross-Rollup Composability in Blockchain (2025 Guide) Developer Guides & Technical Resources Modular Blockchain Architectures Modular Data Availability Layers Rollups & Layer 2 Data Availability How Modular Data Availability Layers Enable Cross-Rollup Composability in Blockchain (2025 Guide) Sophia Callahan November 23, 2025 Modular data availability (DA) layers are the unsung heroes behind blockchain’s latest leap in scalability and composability.... Read More Read more about How Modular Data Availability Layers Enable Cross-Rollup Composability in Blockchain (2025 Guide)