All work


Fintech · Commerce
Merchants accept crypto and cards through one checkout, with settlements and a clear ledger.
- Client
- Payments startup
- Role
- Solution architect
- Stack
- Node.js, Laravel, PostgreSQL, Redis, Web3


01 · The problem
Merchants wanted crypto payments without handling wallets, rates or reconciliation themselves.
02 · What we built
What we built
- 01Hosted checkout with crypto and fiat options.
- 02Per-merchant wallets, webhooks and settlement rules.
- 03Double-entry ledger for every movement of money.
03 · Architecture
Architecture
01 · Interface
- Web app
02 · API
- Node.js
- Laravel
03 · Services
- Hosted checkout
- Webhooks
- Settlements
- Ledger
- Web3
04 · Data
- PostgreSQL
- Redis
04 · Key features
What it does.
Hosted checkout
Drop-in page or API.
Webhooks
Signed, retried, logged.
Settlements
Auto-convert and pay out.
Ledger
Every cent accounted for.
05 · Screens
A closer look.
06 · Outcome
What it delivers.
Auto
conversion and merchant settlement
Per
merchant wallets and payout rules
Every
movement of money in the ledger
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