Learn SIMPLICITY with Real Code Examples

Simplicity source -> abstract syntax tree (AST) -> core expressions -> serialized bytecode

Contracts executed in a deterministic virtual machine

Strong typing system ensures safety at compile-time

Composable combinators form contract logic

Designed for verification and auditability

Simplicity source -> AST -> core combinators -> serialized bytecode

Static type checking at compile-time

Formal verification optionally applied

Sandboxed evaluation

Executed within UTXO blockchain context

Functional combinators

Compositional contract design

Typed expressions

UTXO transaction integration

Formal verification-friendly structure

Multi-signature wallets

UTXO-based DeFi primitives

Escrow and payment channels

Atomic swaps

Bitcoin sidechain smart contracts

Functional and composable

Strong typing for safety

Formal verification first

Predictable and deterministic execution

UTXO-focused blockchain compatibility

Reuse combinator patterns

Batch multiple UTXO transactions

Keep contracts small and composable

Optimize AST for minimal bytecode

Leverage off-chain verification

Convert Bitcoin Script contracts to Simplicity expressions

Define typed combinator structures

Prove contract correctness formally

Serialize AST to bytecode for UTXO deployment

Test in sandbox before mainnet deployment