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EthereumJS

Ethereum Layer 1 Protocol Implementations in TypeScript/JavaScript | Managed by EF

421 followers
Sealed into the Genesis Block
https://github.com/ethereumjs/ethereumjs-monorepo
@EFJavaScript

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ethereumjs-monorepo ethereumjs-monorepo Public

Ethereum L1 Protocol Stack and EVM in TypeScript

TypeScript 2.7k 838
kzg-wasm kzg-wasm Public

KZG WASM Build suitable for EIP-4844 and PeerDAS (EIP-7594)

TypeScript 13 2
ultralight ultralight Public

Ethereum Portal Network TypeScript implementation

TypeScript 121 29

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All C++ CSS HTML JavaScript Python Shell TypeScript WebAssembly

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Showing 10 of 52 repositories

ultralight Public
Ethereum Portal Network TypeScript implementation

ethereumjs/ultralight’s past year of commit activity

TypeScript 121 29 11 7 Updated Oct 30, 2025
ethereumjs-monorepo Public
Ethereum L1 Protocol Stack and EVM in TypeScript

ethereumjs/ethereumjs-monorepo’s past year of commit activity

TypeScript 2,723 838 108 (1 issue needs help) 64 Updated Oct 30, 2025
kzg-wasm Public
KZG WASM Build suitable for EIP-4844 and PeerDAS (EIP-7594)

ethereumjs/kzg-wasm’s past year of commit activity

TypeScript 13 2 3 (1 issue needs help) 0 Updated Oct 30, 2025
execution-spec-tests-fixtures Public
Fixtures from the official Ethereum test releases for internal consumption

ethereumjs/execution-spec-tests-fixtures’s past year of commit activity

0 0 0 0 Updated Sep 29, 2025
ethereumjs.github.io Public
Website for an intro to the EthereumJS ecosystem

ethereumjs/ethereumjs.github.io’s past year of commit activity

CSS 13 MIT 13 0 0 Updated Jun 9, 2025
ethrpc Public archive
Maximal RPC wrapper

ethereumjs/ethrpc’s past year of commit activity

JavaScript 109 MIT 33 0 0 Updated Oct 31, 2024
ethereumjs-stub-rpc-server Public
Stub Ethereum JSON-RPC Server

ethereumjs/ethereumjs-stub-rpc-server’s past year of commit activity

JavaScript 10 7 1 0 Updated Oct 31, 2024
ethereumjs-blockstream Public
Reliable stream of Ethereum blocks

ethereumjs/ethereumjs-blockstream’s past year of commit activity

TypeScript 85 MIT 20 4 0 Updated Oct 31, 2024
fixed-bn.js Public archive
a bn.js wrapper that constrains numbers to a fixed width

ethereumjs/fixed-bn.js’s past year of commit activity

TypeScript 8 9 0 0 Updated Oct 31, 2024
ethereumjs-icap Public archive
Utilities for handling ICAP (Ethereum in IBAN) encoding

ethereumjs/ethereumjs-icap’s past year of commit activity

JavaScript 18 MIT 16 0 0 Updated Oct 31, 2024

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TypeScript JavaScript Python Shell WebAssembly

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