What is Content Proof?
Prove your content is real in the AI era. Create cryptographic signatures for any file using just your Gmail account. No expensive certificates needed - get tamper-proof Ed25519 signatures + QR codes for instant verification. Perfect for fighting deepfakes.
Problem
Users need to prove content authenticity but rely on expensive certificates or manual verification processes, which are costly and time-consuming.
Solution
A web-based tool that lets users generate cryptographic signatures using Gmail accounts and tamper-proof QR codes for instant verification, eliminating the need for certificates. Example: Sign a PDF file and share it with a QR code for verification.
Customers
Journalists, legal professionals, and content creators needing to verify document authenticity, especially those handling sensitive or legally binding materials.
Unique Features
Uses Gmail accounts for cryptographic signatures (no third-party certificates) and integrates QR codes for instant verification via mobile devices.
User Comments
Solves deepfake concerns effortlessly
Simple integration with Gmail
Cost-effective compared to certificates
Quick verification via QR codes
Essential for legal documentation
Traction
Launched on Product Hunt in May 2024 with 56 upvotes as of analysis
No public revenue or user data available, positioned as early-stage
Market Size
The global digital signature market was valued at $5.5 billion in 2022, projected to grow at 34% CAGR from 2023–2030 (Grand View Research).
