ReadDemo
Thesis Vault
Write why you entered a trade, seal it with the timestamp, and get graded on reasoning, not luck.
The IslandsArbitrum, on the map
Built for your chain · An Ethereum layer 2.
48 apps built for Arbitrum.
0 open live today. Each also targets other chains.
Built by the House We have already built 48 apps on Arbitrum, out of the House’s whole fleet.
- 48DeployrDeployable apps for many chains
- 2Unlocksthat mention Arbitrum
- 0Solutionsthat mention Arbitrum
What we built on Arbitrum
OwnDemo
Mentor Mode
Let a trusted mentor co sign your risky trades above a size you choose.
PublishDemo
Apprentice Ledger
Teach an AI agent your craft, and every time it earns, you earn as the teacher of record.
PublishDemo
Ask The Room
Pose a hard question, stake a bounty, and pay the crowd by how much each answer moved the final consensus.
TogetherDemo
Quiet Quorum
Governance by text-sized questions: one decision a week, answered in ten seconds, with real quorum.
TogetherDemo
Kitchen Table DAO
A DAO starter kit for small real groups: treasury, votes and roles in plain language.
FoundDemo
Crew Launch
Launch a token that only your verified contributors can receive, weighted by work they actually shipped.
BuildDemo
Grant Ready
A project-in-a-box: contracts, site, docs and impact metrics shaped for grant applications.
EarnDemo
Discipline Ledger
Your perp bot follows your rules, and every rule you kept becomes a public, provable track record.
OwnDemo
Guardrail Router
Bridge and route aggregation that refuses paths breaking your own safety rules.
AgentsDemo
Drift Keeper
Rebalances your portfolio to target weights only when drift crosses your band.
EarnDemo
Range Tender
Keeps your concentrated LP in range with your own recentering rules and a fee diary.
EarnDemo
Yield Why
A vault router that shows where every percent of yield comes from before you deposit.
EarnDemo
Intent Desk
Say what you want in one sentence; a solver fills it across chains within your limits.
AgentsDemo
Allowance
Give your AI agent a wallet with house rules it literally cannot break.
ReadDemo
Second Look
Pay three independent AIs a few cents to check one answer, and get a signed receipt of agreement.
OwnDemo
Keepsake Mind
Your personal AI memory, owned by you, rentable to any assistant you choose.
AgentsDemo
Agent Resume
A public, verifiable work history for any AI agent, built from the jobs it actually finished.
AgentsDemo
Night Shift
Hire a small team of agents, give each a budget and a job, and see who actually earned their keep.
ReadDemo
First Draft Seal
Timestamp your original prompts and creative process so you can prove the idea was yours first.
TogetherDemo
Fine Tune Fund
Crowdfund a small open AI model for your niche and share in usage fees when it's live.
OwnDemo
Craft Graph
Merge your GitHub, Figma, and onchain deploys into one verified contribution map.
OwnDemo
Calibrated
A public score of how often your predictions and calls actually came true.
OwnDemo
Skill Duel
Prove a skill live: timed challenge, peer judged, result minted to your profile.
PublishDemo
Margin Notes
Your highlights and annotations on any article become a collectible, tippable layer others can subscribe to.
OwnDemo
Attention Ledger
Keep a private log of what you read and watch, then sell anonymized slices only when you choose.
OwnDemo
Last Letter
Write letters to the future that unlock for named people at a date or when you stop checking in.
TogetherDemo
Chapter Club
A book club where finishing and discussing each chapter earns a shared pot back.
TogetherDemo
Kept Promise
Crowdfunding where backers get refunded by contract if the goal or the milestones are missed.
TogetherDemo
Skill Pledge
Fund a public good with hours of your skill, not just money, and get matched like a donation.
TogetherDemo
Thank You Ledger
Retro funding for the quiet helpers: the community nominates who mattered, a pot pays them.
TogetherDemo
Crew Call
Post a mission, people commit a stake to show up, and no-shows fund the ones who came.
OwnDemo
Wisdom Weight
Votes weighted by proven expertise on the topic, not by wallet size.
OwnDemo
Elder Council
Turn your community's longest-serving members into a rotating, accountable advisory council.
OwnDemo
Memory Commons
A community archive where members contribute stories and photos, curated and preserved by the group.
TogetherDemo
Club Vault
A group treasury for clubs and friend groups with spending rules everyone can read in plain words.
OwnDemo
Handoff Vault
Leave clear onchain instructions so the people you trust can reach your crypto if you cannot.
OwnDemo
Approval Sweep
A weekly ritual that finds risky token approvals and lets you revoke them in one tidy pass.
BuildDemo
Ship Log
Every commit, deploy, and demo you ship becomes a signed, timestamped builder diary.
BuildDemo
Grant Ledger
Show funders exactly what their grant built, milestone by milestone, with proof attached.
BuildDemo
Hack Week Pilot
A hackathon cockpit that plans your scope, tracks bounties, and drafts a judge-ready submission.
OwnDemo
One Wallet Pledge
Airdrop hunters prove they are one real person with one main wallet and get ranked fairly.
AgentsDemo
Quest Journal
Track every testnet action you do by hand, with deadlines, notes, and what you actually learned.
OwnDemo
Key Ceremony
A guided, offline-first checklist for setting up a team multisig without a single scary step.
OwnDemo
Scam Mirror
Paste any link or signature request and see, in plain words, what it would really do to you.
OwnDemo
Credit Roll
Every contributor to a project gets a signed credit, like movie credits, owned by them forever.
EarnDemo
Gas Budget
Set a monthly onchain spending budget and see where every fee went, like a bank app for gas.
OwnDemo
Clutch Witness
Your squad co-signs the plays you actually made, building a gaming record nobody can fake alone.
Where your users meet Arbitrum in the House
For founders and ecosystem teams
Your chain, already built on.
Everything above runs on Arbitrum or was designed for it. Partner with the House to put these apps in front of the people your ecosystem wants, and to build the next ones with you.
Partner with the House