Layer 2

Cross-Rollup Transfers: Interoperability Standards for L2s in 2026

A comprehensive guide to cross-rollup interoperability — covering ERC-7683, OP Superchain native messaging, Polygon AggLayer, shared sequencers, LayerZero OFT, and practical advice for moving assets between Layer 2 networks safely.

L2 Fees Explained: How EIP-4844 Blob Pricing Works

Everything you need to know about Layer 2 transaction fees in 2026 — how EIP-4844 blob transactions work, why fees fluctuate, how rollups calculate your fee, and what full Danksharding will change.

Best Layer 2 for DeFi in 2026: Arbitrum, Optimism, Mantle, Polygon zkEVM Compared

Which L2 is best for DeFi in 2026? A detailed comparison of Arbitrum, Optimism, Base, Mantle, Polygon zkEVM, and zkSync Era — analysing TVL, protocol support, fees, MEV environment, and strategic fit.

How to Bridge ETH to Layer 2 Safely: Step-by-Step Guide

A practical guide to bridging ETH from Ethereum mainnet to Layer 2 networks — covering native bridges, third-party bridges, phishing risks, fee estimates, and best practices for keeping funds safe.

Optimistic vs ZK Rollups: Full Comparison 2026

A comprehensive comparison of Optimistic and ZK rollup architectures — covering fraud proofs vs validity proofs, withdrawal times, EVM compatibility, fees, and which architecture to choose for your use case.