Polkadot SDK

Rollup, appchain, or modular blockchain infrastructure tooling. In a production build, Polkadot SDK fits when the network or rollup stack is a real architectural choice.

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:

Builders selecting a protocol ecosystem, rollup stack, or application chain foundation.