ENTANGLED Labs

Overview

ENTANGLED Labs is a software studio that builds and security-checks blockchain apps for clients, and runs a stake pool that ADA holders can join to earn rewards. Teams hire it to write smart contracts (programs that run on a blockchain and move funds by fixed rules), review other teams' contracts for flaws, and build the websites and servers around them¹. Its own projects include a public record of martial-arts belt ranks and a desk gadget that shows network data.

The studio works mainly on Cardano¹ and is based in Bucharest, Romania². The studio publishes the reference code for CIP-0188, a proposed Cardano standard (a CIP, or Cardano Improvement Proposal) written by Marius Georgescu that lets a single NFT control its own wallet address³.

Key Features

• Smart contracts with a choice of pricing. ENTANGLED Labs writes smart contracts for NFTs, finance apps, and DAOs (groups that vote on shared decisions). For this and its other services, clients can pay a fixed price, add the studio's developers to their team, or pay by the hour¹.
• Security reviews with a public report. For Blazar Labs, the studio reviewed the Aiken code (Aiken is a language for writing Cardano contracts) behind Hydra Pay, Blazar Labs' system that lets users pay merchants quickly and cheaply, and both sides may share the signed report publicly⁴.
• Wallets that belong to an NFT. CIP-0188 describes an address that can only be spent from by a transaction that moves one specific NFT, so whoever holds that NFT controls what sits there. The proposal lists Ethereum's Token-Bound Accounts as similar prior work³.
• Code other builders can reuse. The CIP-0188 reference implementation is open source under the MIT license, with the contract itself, transaction tools, and a web API that other developers can plug into⁵.
• A single, dedicated stake pool. ADA holders can delegate to the E7D pool (E7D is the short code that identifies it), which the studio runs as its only pool¹.

What to Expect

The ENTANGLED Labs website is a single page. It lists the four service areas (smart contracts, audits, app development, and server infrastructure), shows the stake pool with a button to start delegating, and links out to the studio's own projects¹.

Organizations looking for a development partner can see the kind of work the studio takes on in its portfolio. The Decentralized Belt System records Brazilian Jiu Jitsu belt ranks and lineages on Cardano, so anyone can check who earned which belt and from whom⁶. The CardanoTicker is a do-it-yourself desk display with a 3D-printed case and screens for price, network, and node data⁷. Marius Georgescu was the main applicant on two Project Catalyst proposals (Cardano's community funding program), a teaching app documented step by step and the CardanoTicker, and both are marked complete^8,9.

Developers will find this code in the studio's GitHub organization; much of it is written in Haskell¹⁰, a programming language widely used in Cardano's core software. The CIP-0188 repository includes test cases and a ready-made web API, so builders can try NFT-owned addresses without writing the contract logic from scratch⁵. Teams comparing options for a contract review can also browse other audit companies.

For delegators, the E7D pool works like any other stake pool. You choose it in a wallet, delegate, and keep your ADA in your own wallet while it earns rewards. ADAStack's guide on how to stake ADA walks through the steps.