# AltLayer

AltLayer is a rollup, appchain, modular blockchain, or scaling toolkit for Web3 infrastructure. It helps Web3 teams work with blockchain applications, smart contracts, wallets, data, and onchain infrastructure using a focused product or developer workflow.

## Type

Service

## Protocols

Ethereum   BNB Smart Chain   Polygon   Arbitrum   Base   Optimism   Avalanche

### Use it for:

- Launch or customize blockchain networks.
- Build layer 2 and appchain environments.
- Connect execution, settlement, and data layers.
- Operate scalable onchain infrastructure.

### Best fit:

teams building protocol infrastructure beyond a single smart contract.

[Documentation
