The unified Superchain explorer

blst' is the cryptography library used by all Ethereum clients to power PoS

ZK identity protocol for sybil resistance, secure key custody, and open civics.

Velocimeter is a ve33 Dex offering options tokens as emissions and as a service.

Hildr is an OP Stack rollup client written in latest Java with GraalVM native.

Know what is going in and out of your wallet before signing.

Our team develops and maintains "Nitro" state channel protocol.

UI for OP Stack & Node & Subgraph deployment with open-source scripts.

A decentralised node network providing developer RPCs & public endpoints

Building Unlock Protocol to create a better web

Scale ENS to OP

Lore helps communities form capital and coordinate at internet scale.

Unlock your community potential - reputation scores, rewards and deep insights

Services & collaboration tools to build & manage pro-social web3 communities

Ethical, safe, resilient and diverse economic systems to benefit the world.

Your Multichain Hub

First native Base lending protocol. Isolated, permissionless, capital efficient.

Weekly newsletter about Ethereum. Since August 21, 2016.

Grants Management for Public Goods Projects on Optimism

Input an ABI JSON and get a Solidity interface!

The largest core development group in Web3

Building open source Ethereum indexing software and services

Uniting crypto through seamless crosschain transactions.

Open Source, Permissionless & privacy conscious DeFi portfolio tracker

Hedgey is onchain vesting & lockups, as afree public good for teams on Optimism