Lean

Formally Verified Arguments of Knowledge in Lean

Lean circuit DSL

Executable formal model of the EVM and Yul in Lean 4.

A model of the RISC Zero zkVM and ecosystem in the Lean 4 Theorem Prover

A support library for working with zero knowledge cryptography in Lean 4.

Extracting the semantics of Noir to Lean for formal verification

A Categorical View of Computation

Write Bitcoin smart contracts in TypeScript, Go, Rust, Solidity, or Move. Compile to Bitcoin Script

Verification of the gnark implementation of the Semaphore protocol using Reilabs' extractor to Lean.

A formal specification of the Yul IR semantics in the Lean proof assistant.

Basic Http functionality in Lean (unfinished)

A Lean 4 implementation of the Lurk Language for recursive zkSNARKS

A Lean 4 implementation of the Poseidon zkSNARK-friendly hash function

The cryptography library of Lean 4

Lean4 bindings to Blake3

Equivalence proofs of EVM models

Plonky3 formal verification framework

A self-hosted, content-addressed, Lean4 kernel

Ouroboros protocols in Lean4

Lean Neptune bindings

Formally-verified Ethereum wallet daemon + CLI in Lean 4 — inspired by kohaku-ai

Formally Verified SNARKs in Lean

One of the dependencies takes a lot of time to build - as such, it lives in a separate repository; this one.

An introduction to theorem proving in Lean for the impatient.

Lean 4 build system and package manager with configuration files written in Lean.

A lightweight serialization format

A pretty printer for Lean 4

Formal verification framework for zkEVM circuits using Lean 4 — 7 EVM arithmetic opcodes with ~119 proven theorems

Lean 4 formalization of Zcash Orchard protocol — double-spend prevention, balance integrity, and DH key agreement proofs

Lean 4 formalization of RedPallas signatures — correctness and re-randomization homomorphism proofs