InvoiceMint — A Blockchain-Backed Invoicing App Built with Python and Bulma

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As a solo founder building BizSuit, I realized something early — managing finances isn’t just about generating invoices. It’s about accountability, ownership, and security.

That’s why I built InvoiceMint, a blockchain-inspired invoicing tool with a clean UI, Python backend, and printable output — all working together to help you run your solo business like a pro.

What is InvoiceMint?


InvoiceMint is a web app that lets you:

• Create professional, printable invoices
• Securely store each invoice in a blockchain-style ledger
• Run everything using a lightweight Python + Flask backend
• Style everything with beautiful, responsive Bulma CSS

All with one goal in mind: speed and transparency.

The Core Stack


Here’s what powers InvoiceMint under the hood:

Layer	Tech Used	Why It’s Used
Frontend	Bulma CSS	Clean, responsive UI without JS bloat
Backend	Python + Flask	Lightweight API for invoice management
Database	Blockchain (in memory)	Every invoice is stored as a chained block
Hosting	Render.com	Easy Flask hosting with free tier
Print Ready	Пожалуйста Авторизируйтесь или Зарегистрируйтесь для просмотра скрытого текста. print CSS	Instant printable invoice support

How Blockchain is Used


Each invoice you generate becomes a new block in the ledger. Here's what each block contains:

• Invoice data (client, amount, etc.)
• Timestamp
• Hash of the previous block
• Unique block hash

This means:

• No invoice can be altered once added
• A complete tamper-proof history is maintained
• All logic is handled inside a pure Python blockchain module

This is not cryptocurrency — it’s real-world use of blockchain structure for accountability.

The Interface: Bulma for Speed


The frontend uses

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, a CSS framework that’s:

• Mobile-first
• Flexbox-based
• Fast and beautiful out of the box

This gives InvoiceMint a modern, polished UI — even when run on mobile browsers or low-power devices.

Features


Create Invoices Instantly

Enter client name, service, and amount — hit print.

Print-Ready Format

Styled using print CSS to give you clean hard copies.

Blockchain-Backed Ledger

Every invoice is stored in a secure chain.

Flask Backend API

Modular, extensible, and deployable in minutes.

No Database Needed

All records are stored in memory (or file), easy to port to SQLite or MongoDB.

Runs on Any Device

Built originally on an Android tablet — now going full-scale.

My Journey as a Solo Founder


I’m a 16-year-old founder, building BizSuit — a modular toolkit for entrepreneurs. I started with BizTracker (inventory app), and InvoiceMint became my second tool.

And now, I’m excited to say — I’ll be buying my first full laptop this Diwali

That means even more advanced tools are coming:

• PDF export
• Login/Auth
• Real-time charts
• Invoice saving & sharing
• Integration with Umami analytics and BizTracker

Try InvoiceMint

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No signup. No download. Just open and start printing.

Final Thoughts


InvoiceMint combines modern frontend simplicity with the security of blockchain and the power of Python. It’s part of a larger vision — BizSuit — a free, open toolkit for founders who build alone but think big.

Whether you're invoicing your first freelance client or managing recurring bills, InvoiceMint ensures every transaction is professional, transparent, and future-ready.


Created by Prasoon Jadon — solo founder, student developer, and creator of BizSuit.

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