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zôÖma, Founder, CEO & CTO of Samouraï Coop

zôÖma

Founder, CEO & CTO of Samouraï Coop, a worker cooperative from Paris that is a film crew and an engineering studio in one company, building and promoting open-source culture since 2016.

Co-founder of the Paris P2P Festival. For more than 12 years I've worked across the peer-to-peer, cybersecurity and open-source ecosystems, researching and building decentralized organizations. Alongside the coop, I lead samcrew, our gno.land team: core contributors to GnoVM and the gno.land chain, and one of its genesis validators. I also build Memba.

GitHub · samourai.world · Samouraï TV · X · the crew

今 Now

  • Holding the line. samcrew runs one of the four validators securing gnoland-1, live since mainnet launch on 12 September 2026.
  • Memba, on mainnet. 14 samcrew packages are live, from the App Store to escrow and an arcade leaderboard.
  • Filming the chain. The crew keeps documenting gno.land: retreats, events, builders.

道 Four years in the gno.land core

Samouraï Coop has contributed to the gno.land core for more than four years. The crew has 256 merged pull requests in gnolang/gno, about one in eleven of every PR ever merged there, and more each year: 48 in 2024, 79 in 2025, 128 so far in 2026.

what we do
GnoVM The interpreter, its type checker, stdlibs and test suite: most of our upstream work.
Security Hardening the VM, consensus and p2p against crashes, overflows and malformed input.
Chain & tooling gno.land node, tm2, genesis tools, gnodev, docs.
Validators A genesis validator, gnomonitoring and the katana GovDAO daemon.
Governance research Our research lab studies how cooperatives, DAOs and open-source projects govern themselves. gnodaokit and Memba are its output.
Design partner We build our own products on gno.land and send what they teach us back upstream.
Documentation Retreat and event reports for the core team, the Peer Dev tutorials, the WEB TRIP interviews.

源 Open source

Everything we can open, we open. Our public gno repositories are on GitHub; the whole team page is at /u/samcrew.

memba

gnolove

zenao

gnodaokit

gnomonitoring

katana

gno-validator-tools

gov-research-wiki

peerdev

validator-diagnostics

gno-onboarding-bot

gno-govdao-activity-parser

作 Products

Products built and run by the coop, closest to gno.land first.

Memba

Zenao

gnolove

Visio

Greffon

Reportz

組 Inside Memba

Memba is an experimental operating system for decentralised organisations, and the direct output of our governance research. It is MIT-licensed and open source. Each of its parts is a product in its own right. Hover a card for details.

Every game uses one daily seed for everyone, drawn from a gno.land block, and needs no wallet.

Multisig Wallet

DAO Management

Validator Monitoring

Alerting

On-chain App Store

Directory

Dev Reports

Token Launcher

Social Feed

Quests & Badges

Space Invaders

Block Party

BARRICADE

録 gno.land on film

The crew films gno.land from the inside: brand films, core-team retreats, portraits of the teams building on it.

Gno: The Power To Build What Matters

Alignment Retreat, Turin

Inside Onbloc

祭 Events

We produce the events we believe in, and we film the rest of the ecosystem's. Paris P2P Festival: five days of peer-to-peer at Ground Control, free, for 5,000 people. The Édition #1 talks are all online. Hyper Hacktive Festival: a film festival for independent documentaries funded by Samouraï Grants. It has had three editions, two at mk2 Quai de Seine, and sells its tickets on Zenao.

Paris P2P Festival

Hyper Hacktive Festival

Web3 Summit

dWeb Camp

Funding the Commons

報 Contribution reports

Each year, one film shows everything the coop shipped.

Contribution Report 2025

Contribution Report 2024

Contribution Report 2023

学 Peer Dev: gno.land, taught on video

A 17-lesson curriculum, produced end to end by the coop, that takes a developer from an empty machine to GovDAO and the interrealm spec. Watch the playlist.

Setup your local environment

Build and test your first dApp

Register your User Space

Transaction types

Coins and GRC20

AVL tree vs map

Deploying Gno packages

Interactive documentation

Effective programming in Gno

Interrealm specification

DAOs and modular governance

Governance DAO (GovDAO)

Index your transactions

Monitor your validator

Extend your IDE

Secure your wallet

Gno vs Solidity

旅 WEB TRIP

Eight conversations with gno.land and web3 builders, filmed by the crew in 2024.

#1 Creating a New Era with Gno

#2 Building Trust in Web3

#3 Digital Art Disruptors

#4 Decentralizing Digital Communities

#5 Bridging Web2 and Web3

#6 The Future of Staking and NFTs

#7 Personal Development and Blockchain

#8 Work-Life Balance & Product Design

映 Films by the crew

40 festival selections, 3 wins. The Underground Sistine Chapel took Best Documentary at the London Independent Film Awards and was released free on both IPFS and YouTube.

The Underground Sistine Chapel

Hashiriya

Soy Yo

Mañana cuesta más

Community Networks

I'm Just a Lost Guy

数 Numbers

since day one
Crew PRs merged in gnolang/gno 256
My merged pull requests, all repos 2,941
…of which into Memba 1,018
samcrew packages live on gnoland-1 14
Projects delivered by the coop since 2016 500+
Festival selections · wins 40 · 3
Peer Dev tutorials 17
Contributing on Gno since 2022

Counted from GitHub, the chain and samourai.world on 23 September 2026.

♥ <3 is the encryption key

2 hearts so far. Send yours: one transaction, one per address, forever on chain.

Latest: g1manfr…dlf5 · g1juz2y…3vvh · all

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Contributions