Fintech

SmartWallet

An accounting error in production is not a bug. It's money disappearing. Or customers who don't return.

Interactive Preview
Double-Entry Bookkeeping LedgerLIVE RECORD
Activo (Caja)
Debe$4.500,00
Ingresos (Ventas)
Haber$4.500,00
Gastos (Host/SaaS)
Debe$120,00
Activo (Banco)
Haber$120,00
Overview

the project

When a platform handles money, the margin of error is zero. A duplicate charge, an unbalanced ledger, a lost transaction — any of these destroys trust in minutes.

SmartWallet is the financial engine that solves this. Double-entry bookkeeping as used by banks. A security vault for sensitive credentials. Atomic transactions that aren't lost even if the server crashes mid-process.

Ready to connect to any existing platform via API.

outcomes

Precision & Control

Ledger Precision
0

Every cent has a registered origin and destination. The balance never offsets. Never.

Data Security
Vaulted

Credentials do not live in the code. They live in secure hardware. Just like a bank.

Transactions
Shielded

If the server crashes mid-payment, nothing is left half-done. Everything goes through or nothing does.

Integration
REST API

Connects to your app, website, or sales system. Without rebuilding anything.

technologies

tech stack

.NET 8SQL ServerAzureDocker
scope

What's included

Double-entryEvery dollar that enters has a destination. Every dollar that leaves has an origin. Impossible for the balance to become offset.
VaultAccess keys, tokens, and sensitive data live in a hardware vault. Not in an environment variable that someone could inspect.
TransactionsIf two users perform an operation simultaneously, the system resolves it without duplicating or losing anything. The money always arrives.
APIConnects to what you already have. No need to rebuild the platform — SmartWallet integrates as a module.
AuditEvery movement is recorded forever. If there is a dispute, you have the complete history. If there is fraud, it is detected.
deployment

live demo & code