Overview
Brick Towers is a Swiss software company that builds its own savings app and custom blockchain software for other companies. Its own consumer product is urble, a mobile app for setting savings goals where people keep control of their own funds instead of handing them to a bank or exchange1. For partners, Brick Towers works as a hired engineering team that designs and builds smart contract platforms, programs that run on a blockchain and move money by fixed rules2.
The company works across Cardano and Midnight, with a different role on each. On Cardano, urble lets people save in ADA, and through DFX.swiss, a Swiss company that converts between bank money and crypto, users can also pay with ADA at participating SPAR supermarkets in Switzerland3. On Midnight, a blockchain built to keep data private, Brick Towers builds privacy-focused apps and helps other teams get started on the network2. Several team members previously worked at Leonteq, including on unit-linked pension products4.
Key Features
- Custom blockchain software for partner companies. The Brick Towers studio covers system design, first working versions of a product, smart contract code, and zero-knowledge engineering, a way to prove something is true without revealing the data behind it2.
- A savings app built in-house. urble lets people name savings goals, set targets, and open extra accounts for children, partners, or friends, with biometric login, account recovery, and passkey backup1.
- A battleship game that keeps ship positions private. Brick Towers took first place in Midnight's Sea Battle hackathon challenge with a fully playable game in which each player stakes test tokens on the outcome5. The published code shows how the game stays fair without revealing either player's hidden fleet to a third party6.
- Free tools for Midnight developers. The open-source midnight-local-network project lets developers run their own private Midnight network on one computer, with a helper for funding test wallets, so developers can test without a public test network or faucet7.
- Mobile wallet work for Cardano apps. A funded Project Catalyst proposal from Brick Towers covers extending the open-source Yoroi wallet so mobile Cardano DApps can ask it to sign transactions directly on a phone8.
What to Expect
Visitors to the Brick Towers site find three lines of business. People looking for a place to save are pointed to urble. Individuals, family offices, and small and mid-sized businesses are offered the Business Suite: hands-on advice on choosing and securely holding digital assets, plus a dashboard for staking and for tracking returns9.
Companies that want something built can use the same site to describe a project and book a discovery call with the development studio2. Its pages describe on-chain design work across Bitcoin, Ethereum, and Cardano, along with a dedicated Midnight practice2.
Developers can go straight to the Brick Towers code on GitHub. The Sea Battle game repository explains how to play against another person using the Midnight Lace wallet in Chrome6. The local-network project walks through starting a self-contained Midnight node and funding wallets on it7. Both are released under the MIT license, a permissive open-source license6,7.
