# Mason Hall

> Attention controls the universe. Thanks for lending me yours.

I create agentic commerce tools and products. Founding Head of Strategy at Merit Systems. Previously a partner at a16z and an engineer at bloXroute Labs.

Off the clock: chess, space, personal agents.

Contact: [email](mailto:mason@merit.systems) · [github](https://github.com/fmhall) · [x](https://x.com/0xMasonH) · [linkedin](https://www.linkedin.com/in/hallmason/)

## Work

- [Merit Systems](https://merit.systems) — Founding Head of Strategy (2024–now)
- [a16z](https://a16zcrypto.com) — Partner, infra investing (2021–2024)
- [bloXroute Labs](https://bloxroute.com) — Software engineer (2019–2021)
- [Consensys Ventures](https://consensys.io) — Technical diligence (2018)

## Projects

- [Jevipedia](https://jevipedia.com) — Wikipedia topics ranked by Jev, TypeSafe's AI model (2026)
- [OpenInstinct](https://openinstinct.sh) — iMessage assistant that uses a browser like you (2026)
- [AgentCash](https://agentcash.dev) — One balance, every API (2026)
- [MPPscan](https://mppscan.com) — Machine Payments Protocol explorer (2026)
- [agent-chess](https://github.com/fmhall/agent-chess) — Chess CLI for LLM agents (2026)
- [x402scan](https://x402scan.com) — x402 ecosystem explorer (2025)
- [farcaster-py](https://github.com/a16z/farcaster-py) — The first Farcaster SDK, built solo at a16z (2022)
- [Petrosian Bot](https://github.com/fmhall/Petrosian-Bot) — Reddit bot, 400k+ karma (2020)
- [Relevant Post Bot](https://github.com/fmhall/relevant-post-bot) — Links parodies to originals, 200k+ karma (2019)

## Writing

- [Isometric State Machines](https://masonhall.org/writing/isometric-state-machines.md) (2026.10.26)
- [Emergence: Let a Billion APIs Compose](https://www.merit.systems/blog/x402) (2025.11.03)
- [A new financial model for app tokens](https://a16zfrontier.com/posts/article/application-tokens-economic-model-cash-flows/) (2024.08.08)
- [Faith, Trust, and Privacy](https://masonhall.org/writing/faith-trust-and-privacy.md) (2019.02.09)

## Elsewhere on this site

- [Terminal](https://masonhall.org/terminal): the original masonhall.org, an interactive shell in the browser (JavaScript only).