
Extropy
Extropy is a smart-contract auditing and zero-knowledge consultancy that also runs blockchain developer education.

What is Extropy?
Extropy is a UK-based blockchain consultancy that audits Solidity and zero-knowledge codebases for production teams, builds custom ZK systems for clients, and runs developer training programs. Past work spans EVM DeFi protocols, Starknet projects, and bespoke ZK rollup tooling, packaged together with hands-on workshops and academic collaborations.
Web3 dapps and developer tools related to Extropy
Discover blockchain applications that are frequently used with Extropy.
Developer resources from Alchemy

The 12 best blockchain node providers in 2026: a decision guide
Compare 12 blockchain node providers by free tier, pricing, request limits, chain coverage, products, regions, and dedicated infrastructure.

Introducing Cortex: the world's first intelligent blockchain engine
Experience up to 2.5x faster speeds, 99.995% reliability & 500x more throughput for your apps.

Pana powers stablecoin remittances for 200,000+ users with Alchemy
How Pana made $130B in remittances move like Venmo: 200K users, zero gas fees, no blockchain complexity. See the infrastructure behind it.
Extropy alternatives
Explore web3 competitors and apps like Extropy.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

