Blockchain systems
Polkadot and Substrate runtime development, Solidity contract work, and security review by engineers who audit as well as build.
We treat blockchain as an engineering choice with costs, not as a category. The first question is always whether the trust model actually needs it.
When it does, we build Substrate runtimes and Solidity contracts, and review them the way we review payment systems: threat model first, then the code, then the upgrade and key-management story most teams leave to the week before launch.
Our audit background includes third place in a QuantStamp hackathon and first in Klarna’s Secure Code Warrior competition.
What you get
- A Substrate runtime or contract system built for a defined threat model
- Security review with findings ranked by exploitability, not by count
- Key management and upgrade path decided before mainnet, not after
- Off-chain infrastructure that does not become the weak link
Typical stack
- Polkadot
- Substrate
- Rust
- Solidity
- OWASP
- ZKP
Start here
A one-week discovery gives you a written plan and a cost, whether or not you carry on with us.
Start a project