# Alex Roan > Alex Roan, Cyfrin co-founder and CTO. Building the Risk team and helping institutions build onchain; protocol engineering and security tooling. UK. ## Profile - [Full profile in Markdown](https://alexroan.co.uk/about.md): Current Cyfrin work, background, ways to work together, code and contact details. - [Website](https://alexroan.co.uk/): The canonical personal profile. - [Structured profile](https://alexroan.co.uk/profile.json): Schema.org ProfilePage and Person data. ## Writing - [The Cyfrin Mission](https://medium.com/cyfrin/the-cyfrin-mission-50331b318e67): Alex’s 2023 article on earning legitimacy for the industry. ## Code & experiments - [mandate-protocol](https://github.com/alexroan/mandate-protocol): An experimental direct-debit protocol for ERC-20 tokens, with agreed recurring payment schedules, onchain enforcement, and cancellation by either party. - [vanity](https://github.com/alexroan/vanity): A Rust CLI that searches for CREATE2 deployment salts from Foundry contract artifacts. GPU mining via Metal, Vulkan, or DX12, with automatic Rayon CPU fallback. - [chuff](https://github.com/alexroan/chuff): Ownable and checked-arithmetic patterns implemented in Huff, with Foundry tests comparing gas costs against Solidity implementations. - [zk-playground](https://github.com/alexroan/zk-playground): Circom and Noir circuit examples, including arithmetic constraints, voting, and integrating proofs with Ethereum contracts. ## Contact - [Email](mailto:alex@cyfrin.io): alex@cyfrin.io. Direct messages on X or LinkedIn are also welcome. ## Public profiles - [GitHub](https://github.com/alexroan) - [X](https://x.com/alexroan) - [LinkedIn](https://www.linkedin.com/in/alex-roan-b746922a/)