NextBlock - Blockchain SaaS ($250K in 2 Months)

NextBlock is a blockchain transaction API and SaaS platform built on Solana, designed to make crypto transactions fast, accessible, and reliable for both developers and end users.

Blockchain infrastructure was fragmented and developer-unfriendly. Businesses wanted to integrate crypto payments and transactions but faced steep learning curves, unreliable tooling, and poor UX on existing platforms.

Solana Transaction API A robust API layer enabling developers to integrate Solana-based transactions into their own applications with minimal friction. Built for speed, reliability, and developer experience.

End-to-End SaaS Platform A complete web application with user authentication, transaction dashboards, real-time monitoring, and account management. Designed from Figma prototypes through to production React frontend and Flask/MySQL backend.

UI/UX Design System Created a sleek, modern design system focused on clarity and trust, critical for a platform handling real money. Every screen was prototyped in Figma before development.

Frontend: React

Backend: Flask (Python)

Database: MySQL

Blockchain: Solana

Design: Figma

NextBlock processed $250K in revenue within the first 2 months of launch, validating both the product-market fit and the platform's ability to handle real transaction volume at scale.