Rozsa Gyarfas

Founder & Lead Developer @ ProofNote

#94932800 followers 0 following

>10,000All time

0 KP

About

14-year-old developer building ProofNote to protect human creativity with SHA-256 cryptographic fingerprints.

Links

Website

Twitter

Badges

Tastemaker

Gone streaking

Gone streaking 5

Maker History

ProofNoteProtect your content with SHA-256 before AI steals it.
Mar 2026

🎉

Joined Product HuntFebruary 26th, 2026

Forums

•

3mo ago

ProofNote - Protect your content with SHA-256 before AI steals it.

ProofNote is a cryptographic shield for creators. In the age of AI, proving authorship is harder than ever. Our tool generates SHA-256 digital fingerprints for your files, creating an immutable record of your work. Protect your creativity, secure your rights, and stop unauthorized AI scraping with verifiable digital signatures.