Your ultimate modular playground
Polkadot SDK offers a highly customizable modular architecture and an extensive suite of tools and libraries, enabling next-level blockchain innovation.
One SDK to power them all
Break free from the constraints of other frameworks. The Polkadot SDK offers a flexible, composable, and comprehensive framework for blockchain development, whether you’re creating a new blockchain or enhancing an existing one.
Flexible
Pick and even hot-swap components ("pallets")—like consensus or finality engine—to fit your needs
Fast
Enjoy rapid transaction times with configurable throughput: Adjust block times, transaction queues, and even transaction fees to fit your use case
Interoperable
Go solo or connect to the Polkadot Chain with built-in interoperability, sharing logic without extra trust assumptions
Future-proof
Adapt your architecture as your needs change with forkless runtime upgrades. Be ready for whatever the future throws at you
Built for versatility, designed for scale
The Polkadot SDK takes the hard work out of blockchain development without the limits of other frameworks. Build specialized blockchains or use pre-built modules to add battle-tested functionality. Use only what makes sense for your project.
Start building
Key features of Polkadot SDK
Go from zero to blockchain before your Uber Eats arrives
Polkadot-ready from day one
Connect effortlessly to the Polkadot Chain if and when you want to gain access to its shared security mechanism, built-in cross-chain communication capabilities, and an ever-expanding universe of projects.
Learn more
Powering millions of transactions
The Polkadot SDK makes building a blockchain far easier, faster, cheaper, and safer than ever before. This open-source framework gives you free access to a robust codebase developed and used by industry-leading teams building some of the biggest networks today. Projects that rely on the Polkadot SDK to power some portion of their chain:
Midnight
BitTensor
Avail
Aleph Zero
StarkNet Madara
Energy Web
Xx.network
Moonbeam
Acurast
Tanssi
InvArch
Build without limits
Explore popular modules for developers diving into the wild, wonderful world of the Polkadot SDK.
Identity
Democracy
Randomness
Resources
Explore our developer resources for comprehensive support and tools. Explore our developer resources for comprehensive support and tools.
Start building
Dive into blockchain development with Polkadot SDK. Customize your projects with modular components, robust tools, and comprehensive support to unleash your creativity.
Start building
