Data Availability Fundamentals

Layer 2 Data Availability Escape Hatch: Why Posting to Main Chain Secures Rollups

Rollups have transformed Ethereum's scalability landscape, bundling thousands of transactions into compact batches posted to the main chain. Yet amid this efficiency surge, a persistent question lingers: what safeguards users if the Layer...

Nov 29, 2025

How Data Availability Sampling (DAS) Powers Decentralized Blockchain Verification

Blockchain networks have long faced a core dilemma: how can they scale to accommodate millions of users while staying decentralized and secure? At the heart of this challenge lies the concept of data availability . For a blockchain to...

Oct 11, 2025

How Optimum Uses Erasure Coding for Provable Data Availability in Modular Blockchains

In the evolving landscape of modular blockchains, provable data availability stands as a linchpin for scalability and security. As projects push the boundaries of what decentralized networks can do, the need to guarantee that all...

Oct 10, 2025