I’m Husam Abboud.

Ars longa, vita brevis.

Founder of Entity.ID.Entity.ID — the internet’s entity registry. Raising, July 2026. Med student turned tech entrepreneur. Syrian-Brazilian,Born to a Syrian family in Brazil; ten years operating Establish Brazil, an FDI consultancy, before the move west. now in San Francisco. This page is where the work lives, and where I write.

Every crossing leaves something in us we can’t always name. I capture it, root it, free it — for me & you.
capture · root · free

capture — the immediate observation. root — traced to its origin. free — refined and published. The three verbs organize everything I write here.

IThe thesis

One idea organizes the work. Entity.ID is a universal identification system for all types of entities, human and non-human — people and AI agents collaborating in a trust-neutral environment, holding good standing independent of the state. Form a real, verifiable entity — members, ownership, rules, treasury — in minutes; incorporate later.The route is entity law, not personhood law: every agent anchored to accountable humans behind it.

videoEntity Legal Summit talk, HK 2026 — the case for legal and on-chain personhood by way of entity law.

IILatest writing

Longevity Sport On training for a long game.
The Realistic, Lucrative Case of an Ethereum Classic Attack 2018. Research covered by Investopedia, Cointelegraph, and The Next Web. What a 51% attack would actually cost, and what it would pay.
blockFrame Charting crypto on its own clock.

IIIProjects

Entity.ID—the internet’s entity registry.
Sibawayh—Arabic writing with deterministic prosody.
AiAuditor—portable AI compliance.
Establish Brazil—a decade of FDI consulting.
firsthumanoid.xyz—creative project.

IVArcs

The pattern predates the companies: choose a hard thing, stay until it is finished, then teach it. I keep the record in the margin — one line each, no adjectives.

3× South American Jiu-Jitsu champion, CBJJE. Cat-C professional skydiver. Advanced Open Water diver. Professional mixologist; international cocktail-competition finalist. Marathon runner. Coached AcroYoga, gymnastics, BJJ and mixology at Network School. Built one of São Paulo’s known home bars.

photoSkydive exit, Cat-C jump.

photoThe home bar, São Paulo.

VNow

July 2026. Kept to one season, in the nownownow convention.

Raising for Entity.ID.
Writing in the garden.
Learning flute.

To my younger brother — short letters to a younger version of me. Start there if you are under twenty-five.