ink! is a programming language for smart contracts.
You can use it with blockchains built on Substrate.

Learn More

What is Polkadot's ink!?
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Guided Beginners Tutorial
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Migrate to ink! 5.0
» view migration guide

Our Pitch

Inherent safety-guarantees with the Rust programming language.

Ability to use all the normal Rust tooling ‒ clippy, crates.io, IDE’s, etc.

Interoperability with Solidity contracts.

 

Clear migration path for graduating to a parachain.

Established industry standard for the compiler target.

Native to Polkadot. Complements your Substrate parachain perfectly.

Where can I deploy ink! contracts?

 

Smart Contract Examples

Our "Hello, World!".
» view example

An ERC-20 implementation.
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» view ERC-721
» view ERC-1155

An upgradeable contract.
» view example

A multi-signature wallet.
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Allow runtime access.
» view example

Wallet Support

	Contract Interactions	Tokens (PSP-22)	NFTs (PSP-34)

You can read more on standards here.