Informal money trust
Ledger
Turned scattered messages, receipts and memory into clear records for loans, shared costs, budgets and read-only balances people can explain.
Trust workflowsEveryday finance
View projectSelected work
Selected work with a clear commercial purpose.
See how Flat18 investigates business problems, designs practical solutions, and implements product changes or new services with the care needed for confident customer sign-off.
16Deep dives
Discovery to deliveryMethod
Customer-focusedOutcome
All selected work
Evidence of how we think and ship
Each study follows the same useful pattern: what was wrong, what Flat18 found, what changed, and why the final product was easier for customers or teams to trust.
Payment state clarity
F18 Pay
Helped merchants manage stores, wallets, invoices and public checkout pages without losing track of what is live, paid or waiting.
Store setupWallet controls
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Private portfolio clarity
Axis Finance
Made live positions, prices and alerts easier to inspect without asking private investors to hand over custody or trust a noisy terminal.
Read-onlyPrivacy first
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Actionable analytics
SignalMap
Turned privacy-limited browser signals into aggregate reporting and clear recommendations founders and small agencies can act on.
Cookie-freeEdge-first
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Research evidence clarity
WalletScrutiny
Reshaped a large wallet review catalogue so readers can find the verdict, inspect the method and move from summary to evidence faster.
Search UXMethodology
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Public product story
BTCPay Server
Gave a self-hosted payments project a clearer route from first visit to first try, then strengthened it with language support, video and proof.
MultilingualSelected work
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Fresh location data
Flat18 Geo
Made city, region and ASN context safer to call from products by separating lookup, browser response, refresh and freshness checks.
API designData freshness
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Training decision friction
Workouts
Reduced choice overload before training by turning onboarding, schedules, logging, recovery context and progress review into one practical flow.
Planning workflowMobile app UI
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Network visibility gap
PulseOps
Found the space between shallow router views and heavy enterprise suites, then shaped a self-hosted command centre for real operator work.
Problem discoveryNetwork telemetry
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Publishing operations friction
Social Publisher
Turned scattered drafts, channel limits, calendars and dispatch checks into one workspace small teams can operate with less rework.
Workflow designSocial publishing
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Dense calculation clarity
Natal Charts
Made birth data, time-zone logic, transits and relationship comparison easier to enter, read, compare and share.
Complex dataChart workflow
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Investment operations control
Archimedes Finance
Joined onboarding, KYC, approvals, vesting, reporting and client messages so investment teams can review state and evidence in one flow.
Role-based accessAudit trail
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Invoice status clarity
ForgingBlock Dashboard
Refined scattered merchant payment data into a focused view of paid invoices, open items, cash-flow signals and payout status.
Operational clarityDashboard
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Merchant conversion blockers
ForgingBlock Website
Found where proof, pricing and merchant outcomes were getting buried, then rebuilt the journey so buyers could trust the next step.
Strategic auditMarketing site
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Local context gap
Felt Weather
Combined forecasts with nearby public signals so people can judge how conditions feel locally, not just what the official reading says.
Local signalsMap-based UI
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Stakeholder transparency gap
Zettahash Hashboard
Brought mining, treasury, market and governance signals into one readable hub so stakeholders can assess project health quickly.
Stakeholder trustDAO dashboard
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