Chainstack Blog

Arbitrum and Optimism — Ethereum’s two largest optimistic rollups. Compare their architecture, RPC infrastructure, ecosystems, and tooling for production apps.

Regulated institutions treat a missing certification as an automatic disqualifier. Here’s how ISO 27001 and SOC 2 Type II apply to blockchain node infrastructure.

Solana Alpenglow replaces TowerBFT with Votor, cutting finality from 12.8 seconds to 150ms. How it works, what changes for builders, and what could delay mainnet.

Blockchain infrastructure market: bare metal, managed servers, cloud VMs, and validator services — ranked by market position, including Solana validator share and Chainstack Self-Hosted.

AI agents do not pause to think. One reasoning step fires three to seven RPC calls; one cycle hits ten. Inside the anatomy of how agents really talk to chains.

Ethereum runs proof of stake. This guide walks the full validator lifecycle — stake, propose, attest, finalize — then shows how all of it maps to beacon blocks, state, and SSZ.