Gas-Free Blockchain Platform for Digital Publishing

The Story

The client partnered with FiftyFive to develop a blockchain-based MVP that verifies journalists through digital passport scanning and authenticates articles using immutable smart contracts. The goal was to create a secure, scalable, cross-platform system that improves trust in digital publishing. FiftyFive provided end-to-end engineering across blockchain, mobile, backend, integrations, and cloud to deliver the complete MVP.

The client is a media-technology company building a blockchain-powered digital publishing platform that verifies journalist identities, authenticates articles, and enables secure, transparent, gas-free transactions across mobile and web applications.

Abhay Mathur

Head of Mobile Development

Challenges

• > Implementing NFC-based biometric passport scanning for journalist identity verification.

• > Designing Solidity smart contracts for article authentication and digital signatures.

• > Building a scalable backend for real-time verification and secure data retrieval.

• > Ensuring seamless functionality across iOS, Android, and web platforms.

• > Protecting biometric and identity data from security threats.

• > Enabling meta-transactions for gas-free blockchain interactions.

The Solution

• > Developed a unified Flutter front-end for iOS, Android, and web.

• > Implemented Solidity smart contracts for identity and article verification.

• > Integrated NFC passport reading for biometric onboarding.

• > Enabled QR-based verification linked to blockchain records.

• > Used meta-transaction architecture with a client-funded wallet for gas-free usage.

• > Hosted backend on AWS EC2 with MongoDB for secure, scalable data management.

• > Integrated Web3.js, DMRTD, and APIs for blockchain communication and passport scanning.

• > Added Sentry for real-time error monitoring.

The Outcome

The MVP verified journalist identities within seconds and attached immutable blockchain seals to articles, ensuring trust and transparency in publishing. Gas-free transactions reduced operational friction, while cross-platform availability improved accessibility for authors and readers. The platform delivered a secure, scalable foundation for combating misinformation and positioned the client as an innovator in digital media technology.