Data Availability Layer
Blockchain InfrastructureUpdated: October 15, 2025
Also known as: DA Layer, Data Availability
Layer ensuring blockchain data is accessible and verifiable
Layer ensuring blockchain data is accessible and verifiable.
In modular blockchain architectures, the data availability layer guarantees that transaction data is published and can be verified by network participants. Solutions like Celestia specialize in data availability, enabling more scalable Layer 2 rollups.