Protocol and cryptography development.

Polkadot SDK Version Manager

Implementation of Canetti-Gennaro-Goldfeder-Makriyannis-Peled threshold signing scheme

Crev proof repository

Fork your substrate-based blockchain state and run all kinds of simulation tests on the runtime.

Substrate: The platform for blockchain innovators

Collection of random scripts and utilities written for Polkadot

A repository of Substrate runtime migrations.

Tutorial for building DeFi arbitrage bots

Substrate Open Runtime Module Library

Collection of pure Rust elliptic curve implementations: NIST P-224, P-256, P-384, P-521, secp256k1, SM2

Halva is a toolchain for improving the experience of developing Decentralized Applications based on Substrate.

Complete Ethereum & Celo library and wallet implementation in Rust. https://docs.rs/ethers

Ethereum smart contract fuzzer

Node for Polymesh Blockchain

Blockchain abstraction layer

Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata.

Miximus + Emscripten/WASM + Browser = zkSNARKs on the web

A fast zkSnark proof generator written in native Web Assembly.

A zero-knowledge protocol for anonymous interactions.

The dApp hub for blockchains of the future

Polkadot's ink! to write smart contracts.

Ethereum opcodes and instruction reference

🌟 TypeScript Implementation of Ethereum Consensus

Pro-tips for Ethereum wallet management (Gitbook).

A force-move protocol implementation

The Ethereum Improvement Proposal repository