# Layer 2s

> Navigate the Ethereum L2 landscape: Arbitrum, Optimism, Base, zkSync, Unichain, and Celo. Covers how they work, deployment, bridging, and selection criteria, including 2025–2026 updates.

- Skill: `bankrbot/layer-2s` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/layer-2s`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/layer-2s/raw
- Safety review: INCONCLUSIVE (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra, Web & Frontend, Deployment & Release
- Tags: Arbitrum, Base, Celo, Ethereum, Layer 2, Optimism, Unichain, Zksync
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-07-06
- Page: https://skillmd.com/skills/bankrbot/layer-2s

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# Layer 2s

Provided by EthSkills. Installs outside this repo — see `catalog.json` `install.command`.