Espresso Systems → A bigger role in modular blockchain than most people expect While many L2 solutions focus only on speed or cheap fees, @EspressoSys targets a deeper problem It provides the “confirmation layer” that most rollups currently don’t have ↓ ▸ Fast Finality (~3–6s): rollups get near instant confirmation ▸ Cross-rollup coordination: batches from different chains finalize together → enabling atomic actions across L2 ▸ Shared Sequencing: prevents censorship, reduces MEV issues, and gives every rollup fair access to ordering. ▸ Modular DA: Espresso DA + optional Celestia/EigenDA backup keep data costs lower. This architecture cuts coordination overhead while giving rollups predictable, fast settlement perfect for high volume ecosystems. Espresso also cleanly separates consensus, sequencing, and data availability, allowing rollups to plug in only what they need → a much more flexible model for builders. It already runs on Mainnet 0, connects with 20+ rollups ➥ Espresso’s dominance in rollup coordination Espresso has become the default confirmation system for many new Orbit and modular chains launching in 2025. Key advantages ↓ ▸ HotShot BFT: stable 3–6s confirmation across the network. ▸ Shared sequencing marketplace (CIRC): enables fair ordering and prevents isolated rollup silos. ▸ DA flexibility: built-in Espresso DA with optional external DA layers for redundancy. ▸ Builder-friendly: simple integration paths for Arbitrum Orbit, OP Stack, and custom L2s. For rollups wanting reliability, speed, and a unified settlement layer → Espresso becomes the obvious pick. ➥ Espresso + Rollup Ecosystem = a faster, more connected modular world. If finality and cross-chain composability matter, builders choose Espresso Systems.